Columns

Columns

Table Type Column Type Size Nulls Auto Default Comments
vendor_edi_accounts Table host VARCHAR 40 √ null
course_instructors Table course_id INT 10 null

foreign key to link to courses.course_id
aqorders Table tax_rate_bak DECIMAL 6 √ null

the tax rate for this line item (%)
deletedbiblioitems Table url MEDIUMTEXT 16777215 √ null

url (MARC21 856$u)
letter Table title VARCHAR 200

subject line of the notice
aqcontacts Table notes LONGTEXT 2147483647 √ null

notes related to the contact
serial Table biblionumber VARCHAR 100

foreign key for the biblio.biblionumber that this issue is attached to
opac_news Table title VARCHAR 250

title of the news article
biblioimages Table imagefile MEDIUMBLOB 16777215 null

image file contents
club_fields Table value MEDIUMTEXT 16777215 √ null
printers_profile Table template_id INT 10 0
club_fields Table id INT 10 √ null
reserves Table priority SMALLINT 5 √ null

where in the queue the patron sits
borrowers Table altcontactaddress3 VARCHAR 255 √ null

the city for the alternate contact for the patron/borrower
items Table price DECIMAL 8 √ null

purchase price (MARC21 952$g)
borrower_attribute_types Table description VARCHAR 255 null

description for each custom field
deleteditems Table itemnumber INT 10 0

primary key and unique identifier added by Koha
biblioimages Table thumbnail MEDIUMBLOB 16777215 null

thumbnail file contents
borrower_modifications Table altcontactcountry MEDIUMTEXT 16777215 √ null
reports_dictionary Table description MEDIUMTEXT 16777215 √ null

description for this definition
deletedbiblioitems Table timestamp TIMESTAMP 19 current_timestamp()
borrower_modifications Table branchcode VARCHAR 10 √ null
matchpoint_components Table subfields VARCHAR 40
aqorder_users Table ordernumber INT 10 null

the order this patrons receive notifications from (aqorders.ordernumber)
biblioitems Table cn_source VARCHAR 10 √ null

classification source (MARC21 942$2)
biblioitems Table collectiontitle LONGTEXT 2147483647 √ null
serial Table serialid INT 10 √ null

unique key for the issue
virtualshelfcontents Table shelfnumber INT 10 0

foreign key linking to the virtualshelves table, defines the list that this record has been added to
issuingrules Table chargename VARCHAR 100 √ null

not used? always NULL
account_offsets Table amount DECIMAL 26 null

The amount of the change
repeatable_holidays Table branchcode VARCHAR 10

foreign key from the branches table, defines which branch this closing is for
issuingrules Table no_auto_renewal_after_hard_limit DATE 10 √ null

no auto renewal allowed after a given date
aqbooksellers Table accountnumber LONGTEXT 2147483647 √ null

unused in Koha
issuingrules Table chargeperiod_charge_at BIT 0 0

Should fine be given at the start ( 1 ) or the end ( 0 ) of the period
vendor_edi_accounts Table invoices_enabled BIT 0 0
marc_tag_structure Table mandatory TINYINT 3 0
courses Table enabled enum('yes', 'no') 4 yes

determines whether the course is active
tmp_holdsqueue Table surname LONGTEXT 2147483647 null
subscription Table serialsadditems BIT 0 0

does receiving this serial create an item record
borrowers Table privacy INT 10 1

patron/borrower's privacy settings related to their reading history
aqbudgets Table budget_permission INT 10 √ 0

level of permission for this fund (used only by the owner, only by the library, or anyone)
default_branch_item_rules Table itemtype VARCHAR 10 null
subscription_numberpatterns Table setto2 INT 10 √ null
virtualshelfshares Table id INT 10 √ null
deletedborrowers Table address2 MEDIUMTEXT 16777215 √ null

the second address line for your patron/borrower's primary address
borrowers Table updated_on TIMESTAMP 19 current_timestamp()

time of last change could be useful for synchronization with external systems (among others)
aqorders Table tax_rate_on_receiving DECIMAL 6 √ null

the tax rate on receiving for this line item (%)
borrower_modifications Table userid VARCHAR 75 √ null
subscriptionhistory Table librariannote VARCHAR 150
default_circ_rules Table holdallowed INT 10 √ null
special_holidays Table isexception SMALLINT 5 1

is this a holiday exception to a repeatable holiday (1 for yes, 0 for no)
letter Table name VARCHAR 100

plain text name for this notice or slip
default_borrower_circ_rules Table maxissueqty INT 10 √ null
systempreferences Table options LONGTEXT 2147483647 √ null

options for multiple choice system preferences
subscription Table staffdisplaycount VARCHAR 10 √ null

how many issues to show to the staff
uploaded_files Table dtcreated TIMESTAMP 19 current_timestamp()
statistics Table branch VARCHAR 10 √ null

foreign key, branch where the transaction occurred
borrowers Table privacy_guarantor_checkouts BIT 0 0

controls if relatives can see this patron's checkouts
article_requests Table notes MEDIUMTEXT 16777215 √ null
fieldmapping Table subfieldcode CHAR 1 null

marc subfield associated with the fieldcode to map to this keyword
serial Table status TINYINT 3 0

status code for this issue (see manual for full descriptions)
article_requests Table title MEDIUMTEXT 16777215 √ null
class_sources Table class_split_rule VARCHAR 10
borrowers Table emailpro MEDIUMTEXT 16777215 √ null

the secondary email addres for your patron/borrower's primary address
class_sources Table used TINYINT 3 0
aqcontacts Table name VARCHAR 100 √ null

name of contact at vendor
aqbooksellers Table booksellerfax LONGTEXT 2147483647 √ null

vendor fax number
api_keys Table description VARCHAR 255 null
saved_sql Table id INT 10 √ null

unique id and primary key assigned by Koha
branch_borrower_circ_rules Table categorycode VARCHAR 10 null

the patron category this rule applies to (categories.categorycode)
illrequests Table updated TIMESTAMP 19 current_timestamp()
z3950servers Table port INT 10 √ null

port number used to connect to target
tags_approval Table approved_by INT 10 √ null

the librarian who approved the tag (borrowers.borrowernumber)
marc_matchers Table record_type VARCHAR 10 biblio
borrower_modifications Table contacttitle MEDIUMTEXT 16777215 √ null
issuingrules Table norenewalbefore INT 10 √ null

no renewal allowed until X days or hours before due date.
subscription Table internalnotes LONGTEXT 2147483647 √ null
aqbooksellers Table postal LONGTEXT 2147483647 √ null

vendor postal address (all lines)
aqcontacts Table orderacquisition BIT 0 0

should this contact receive acquisition orders
creator_layouts Table font_size INT 10 10
tmp_holdsqueue Table notes MEDIUMTEXT 16777215 √ null
housebound_visit Table deliverer_brwnumber INT 10 √ null

Number of the borrower to deliver items.
deletedborrowers Table email LONGTEXT 2147483647 √ null

the primary email address for your patron/borrower's primary address
default_circ_rules Table maxissueqty INT 10 √ null
borrowers Table debarredcomment VARCHAR 255 √ null

comment on the stop of the patron
suggestions Table branchcode VARCHAR 10 √ null

foreign key linking the suggested branch to the branches table
deletedborrowers Table B_streetnumber VARCHAR 10 √ null

the house number for your patron/borrower's alternate address
marc_modification_template_actions Table ordering INT 10 null
deleteditems Table holdingbranch VARCHAR 10 √ null

foreign key from the branches table for the library that is currently in possession item (MARC21 952$b)
virtualshelfshares Table shelfnumber INT 10 null
import_record_matches Table candidate_match_id INT 10 null

the biblio the imported record matches (biblio.biblionumber)
sms_providers Table domain VARCHAR 255 null
marc_modification_template_actions Table field_number SMALLINT 5 0
overduerules_transport_types Table letternumber INT 10 1
biblioitems Table cn_item VARCHAR 10 √ null
audio_alerts Table precedence SMALLINT UNSIGNED 5 null
course_items Table ci_id INT 10 √ null

course item id
deletedborrowers Table lost BIT 0 √ null

set to 1 for yes and 0 for no, flag to note that library marked this patron/borrower as having lost their card
borrower_modifications Table phonepro MEDIUMTEXT 16777215 √ null
itemtypes Table imageurl VARCHAR 200 √ null

URL for the item type icon
courses Table staff_note LONGTEXT 2147483647 √ null

the text of the staff only note
items Table cn_source VARCHAR 10 √ null

classification source used on this item (MARC21 952$2)
borrowers Table country MEDIUMTEXT 16777215 √ null

the country for your patron/borrower's primary address
housebound_visit Table chooser_brwnumber INT 10 √ null

Number of the borrower to choose items for delivery.
message_attributes Table takes_days BIT 0 0
message_queue Table status enum('sent', 'pending', 'failed', 'deleted') 7 pending
subscription Table lastvalue1 INT 10 √ null
search_history Table type VARCHAR 16 biblio

search type, must be 'biblio' or 'authority'
biblioitems Table editionresponsibility MEDIUMTEXT 16777215 √ null
borrowers Table B_email MEDIUMTEXT 16777215 √ null

the patron/borrower's alternate email address
aqbudgetperiods Table budget_period_startdate DATE 10 null

date when the budget starts
borrower_modifications Table guarantorid INT 10 √ null
borrowers Table B_city LONGTEXT 2147483647 √ null

the city or town for your patron/borrower's alternate address
z3950servers Table timeout INT 10 0

number of seconds before Koha stops trying to access this server
message_queue Table letter_code VARCHAR 64 √ null
biblio Table serial BIT 0 √ null

Boolean indicating whether biblio is for a serial
language_descriptions Table subtag VARCHAR 25 √ null
old_reserves Table reminderdate DATE 10 √ null

currently unused
housebound_profile Table referral MEDIUMTEXT 16777215 √ null

Free text indicating how the borrower was added to the service.
fieldmapping Table fieldcode CHAR 3 null

marc field number to map to this keyword
items Table itemcallnumber VARCHAR 255 √ null

call number for this item (MARC21 952$o)
marc_modification_template_actions Table from_subfield VARCHAR 1 √ null
illcomments Table comment TEXT 65535 √ null
issues Table itemnumber INT 10 √ null

foreign key, linking this to the items table for the item that was checked out
creator_layouts Table layout_name CHAR 25 DEFAULT
import_records Table encoding VARCHAR 40
deletedbiblioitems Table issn LONGTEXT 2147483647 √ null

ISSN (MARC21 022$a)
account_offsets Table type VARCHAR 16 null

The type of offset this is
items Table damaged BIT 0 0

authorized value defining this item as damaged (MARC21 952$4)
alert Table externalid VARCHAR 20
borrower_attribute_types Table opac_editable BIT 0 0

defines if this field is editable by patrons on their account in the OPAC (1 for yes, 0 for no)
matchchecks Table matcher_id INT 10 null
overduerules_transport_types Table overduerules_id INT 10 null
itemtypes Table hideinopac BIT 0 0

Hide the item type from the search options in OPAC
uploaded_files Table id INT 10 √ null
housebound_profile Table notes MEDIUMTEXT 16777215 √ null

Free text for additional notes.
additional_fields Table id INT 10 √ null

primary key identifier
club_enrollments Table branchcode VARCHAR 10 √ null
tmp_holdsqueue Table cardnumber VARCHAR 32 √ null
items_search_fields Table authorised_values_category VARCHAR 32 √ null
borrowers Table flags INT 10 √ null

will include a number associated with the staff member's permissions
creator_images Table image_id INT 10 √ null
localization Table localization_id INT 10 √ null
deletedborrowers Table altcontactfirstname VARCHAR 255 √ null

first name of alternate contact for the patron/borrower
messages Table message_id INT 10 √ null

unique identifier assigned by Koha
housebound_visit Table id INT 10 √ null

ID of the visit.
creator_batches Table timestamp TIMESTAMP 19 current_timestamp()
language_descriptions Table description VARCHAR 255 √ null
deletedborrowers Table sex VARCHAR 1 √ null

patron/borrower's gender
import_records Table import_error LONGTEXT 2147483647 √ null
old_issues Table auto_renew_error VARCHAR 32 √ null

automatic renewal error
message_transport_types Table message_transport_type VARCHAR 20 null
deleteditems Table replacementprice DECIMAL 8 √ null

cost the library charges to replace the item if it has been marked lost (MARC21 952$v)
misc_files Table file_name VARCHAR 255 null

file name
course_items Table location VARCHAR 80 √ null

new shelving location for the item to have while on reseve (optional)
suggestions Table date TIMESTAMP 19 current_timestamp()
issues Table lastreneweddate DATETIME 19 √ null

date the item was last renewed
aqbasket Table closedate DATE 10 √ null

the date the basket was closed
old_reserves Table reservedate DATE 10 √ null

the date the hold was places
matchpoint_components Table offset INT 10 0
matchpoints Table search_index VARCHAR 30
localization Table translation MEDIUMTEXT 16777215 √ null
virtualshelfcontents Table borrowernumber INT 10 √ null

borrower number that created this list entry (only the first one is saved: no need for use in/as key)
deletedbiblioitems Table agerestriction VARCHAR 255 √ null

target audience/age restriction from the bib record (MARC21 521$a)
creator_layouts Table guidebox INT 10 √ 0
aqorders Table timestamp TIMESTAMP 19 current_timestamp()

the date and time this order line was last modified
import_batches Table file_name VARCHAR 100 √ null

the name of the file uploaded
reserves Table biblionumber INT 10 0

foreign key from the biblio table defining which bib record this hold is on
creator_templates Table template_code CHAR 100 DEFAULT TEMPLATE
marc_matchers Table matcher_id INT 10 √ null
library_groups Table ft_search_groups_staff BIT 0 0

Use this group for opac side search groups
browser Table description VARCHAR 255 null
borrower_modifications Table debarred DATE 10 √ null
patron_consent Table refused_on DATETIME 19 √ null
deletedborrowers Table borrowernotes LONGTEXT 2147483647 √ null

a note on the patron/borrower's account that is only visible in the staff client
subscription Table lastvalue2 INT 10 √ null
biblioimages Table imagenumber INT 10 √ null

unique identifier for the image
article_requests Table patron_notes MEDIUMTEXT 16777215 √ null
clubs Table date_end DATE 10 √ null
issuingrules Table renewalsallowed SMALLINT 5 0

how many renewals are allowed
default_borrower_circ_rules Table maxonsiteissueqty INT 10 √ null
branch_borrower_circ_rules Table maxissueqty INT 10 √ null

the maximum number of checkouts this patron category can have at this branch
auth_subfield_structure Table mandatory TINYINT 3 0
issues Table note LONGTEXT 2147483647 √ null

issue note text
subscription Table subscriptionid INT 10 √ null

unique key for this subscription
branch_item_rules Table returnbranch VARCHAR 15 √ null

the branch the item returns to (homebranch, holdingbranch, noreturn)
issuingrules Table holds_per_record SMALLINT 5 1

How many holds a patron can have on a given bib
borrowers Table state MEDIUMTEXT 16777215 √ null

the state or province for your patron/borrower's primary address
borrower_modifications Table altcontactzipcode VARCHAR 50 √ null
creator_layouts Table layout_xml MEDIUMTEXT 16777215 null
issuingrules Table categorycode VARCHAR 10

patron category this rule is for (categories.categorycode)
saved_sql Table savedsql MEDIUMTEXT 16777215 √ null

the SQL for this report
aqorders_transfers Table ordernumber_from INT 10 √ null
deletedborrowers Table phone MEDIUMTEXT 16777215 √ null

the primary phone number for your patron/borrower's primary address
aqorders Table listprice DECIMAL 28 √ null

the vendor price for this line item
aqorders Table line_item_id VARCHAR 35 √ null

Supplier's article id for Edifact orderline
aqcontacts Table booksellerid INT 10 null
illrequests Table biblio_id INT 10 √ null
branches Table opac_info MEDIUMTEXT 16777215 √ null

HTML that displays in OPAC
message_queue Table from_address LONGTEXT 2147483647 √ null
borrower_debarments Table borrower_debarment_id INT 10 √ null

unique key for the restriction
items Table more_subfields_xml LONGTEXT 2147483647 √ null

additional 952 subfields in XML format
auth_types Table authtypetext VARCHAR 255
categories Table overduenoticerequired BIT 0 √ null

are overdue notices sent to this patron category (1 for yes, 0 for no)
edifact_messages Table status MEDIUMTEXT 16777215 √ null
aqbudgetborrowers Table budget_id INT 10 null
deletedborrowers Table city LONGTEXT 2147483647 √ null

the city or town for your patron/borrower's primary address
deletedborrowers Table B_city LONGTEXT 2147483647 √ null

the city or town for your patron/borrower's alternate address
marc_matchers Table threshold INT 10 0
borrower_modifications Table initials MEDIUMTEXT 16777215 √ null
deletedborrowers Table checkprevcheckout VARCHAR 7 inherit

produce a warning for this patron if this item has previously been checked out to this patron if 'yes', not if 'no', defer to category setting if 'inherit'.
issues Table branchcode VARCHAR 10 √ null

foreign key, linking to the branches table for the location the item was checked out
aqbudgets_planning Table authvalue VARCHAR 30 null
tags_all Table language INT 10 √ null

the language the tag was left in
issuingrules Table accountsent INT 10 √ null

not used? always NULL
patron_lists Table patron_list_id INT 10 √ null

unique identifier
currency Table archived BIT 0 √ 0
courses Table timestamp TIMESTAMP 19 current_timestamp()
issuingrules Table suspension_chargeperiod INT 10 √ 1

how often the finedays is charged
search_marc_to_field Table search_field_id INT 10 null
subscription Table firstacquidate DATE 10 √ null

first issue received date
default_circ_rules Table returnbranch VARCHAR 15 √ null
message_transports Table letter_module VARCHAR 20
old_reserves Table found VARCHAR 1 √ null

a one letter code defining what the status is of the hold is after it has been confirmed
z3950servers Table sru_fields LONGTEXT 2147483647 √ null

contains the mapping between the Z3950 search fields and the specific SRU server indexes
marc_subfield_structure Table tab BIT 0 √ null
items Table restricted BIT 0 √ null

authorized value defining use restrictions for this item (MARC21 952$5)
branches Table branchstate LONGTEXT 2147483647 √ null

the state for your library or branch
housebound_profile Table fav_itemtypes MEDIUMTEXT 16777215 √ null

Free text describing preferred itemtypes.
language_descriptions Table id INT 10 √ null
import_batches Table num_records INT 10 0

number of records in the file
overduerules Table letter2 VARCHAR 20 √ null

foreign key from the letter table to define which notice should be sent as the second notice
need_merge_authorities Table timestamp TIMESTAMP 19 current_timestamp()

date and time last modified
categories Table categorycode VARCHAR 10

unique primary key used to idenfity the patron category
marc_subfield_structure Table tagsubfield VARCHAR 1
message_queue Table content_type MEDIUMTEXT 16777215 √ null
action_logs Table timestamp TIMESTAMP 19 current_timestamp()

the date and time the action took place
items Table reserves SMALLINT 5 √ null

number of times this item has been placed on hold/reserved
deletedborrowers Table opacnote LONGTEXT 2147483647 √ null

a note on the patron/borrower's account that is visible in the OPAC and staff client
borrowers Table address LONGTEXT 2147483647 √ null

the first address line for your patron/borrower's primary address
old_reserves Table branchcode VARCHAR 10 √ null

foreign key from the branches table defining which branch the patron wishes to pick this hold up at
aqinvoice_adjustments Table encumber_open SMALLINT 5 1

whether or not to encumber the finds when invoice is still open, 1 = yes, 0 = no
aqinvoices Table invoicenumber LONGTEXT 2147483647 null
additional_fields Table marcfield VARCHAR 16

contains the marc field to copied into the record
deletedbiblioitems Table editionstatement MEDIUMTEXT 16777215 √ null
aqbasket Table creationdate DATE 10 √ null

the date the basket was created
authorised_values Table id INT 10 √ null

unique key, used to identify the authorized value
housebound_profile Table fav_authors MEDIUMTEXT 16777215 √ null

Free text describing preferred authors.
overduerules_transport_types Table message_transport_type VARCHAR 20 email
search_field Table weight DECIMAL 5 √ null
creator_layouts Table start_label INT 10 1
creator_templates Table label_height FLOAT 12 0
subscription_frequencies Table displayorder INT 10 √ null
z3950servers Table sru_options VARCHAR 255 √ null

options like sru=get, sru_version=1.1; will be passed to the server via ZOOM
auth_tag_structure Table tagfield VARCHAR 3
api_keys Table client_id VARCHAR 191 null
deleteditems Table uri VARCHAR 255 √ null

URL for the item (MARC21 952$u)
borrower_message_transport_preferences Table borrower_message_preference_id INT 10 0
aqbasket Table note LONGTEXT 2147483647 √ null

the internal note added at basket creation
auth_header Table authtrees LONGTEXT 2147483647 √ null
deletedborrowers Table phonepro MEDIUMTEXT 16777215 √ null

the secondary phone number for your patron/borrower's primary address
reserves Table itemnumber INT 10 √ null

foreign key from the items table defining the specific item the patron has placed on hold or the item this hold was filled with
matchpoint_components Table matchpoint_id INT 10 null
tmp_holdsqueue Table reservedate DATE 10 √ null
aqbasketgroups Table booksellerid INT 10 null
issuingrules Table opacitemholds CHAR 1 N

allow opac users to place specific items on hold
pending_offline_operations Table branchcode VARCHAR 10 null
deletedborrowers Table B_zipcode VARCHAR 25 √ null

the zip or postal code for your patron/borrower's alternate address
aqorders Table orderstatus VARCHAR 16 √ new

the current status for this line item. Can be 'new', 'ordered', 'partial', 'complete' or 'cancelled'
tags_index Table biblionumber INT 10 null

the bib record this tag was used on (biblio.biblionumber)
additional_fields Table authorised_value_category VARCHAR 16

is an authorised value category
collections Table colDesc MEDIUMTEXT 16777215 null
subscription Table monthlength INT 10 √ 0

subscription length in weeks (will not be filled in if weeklength or numberlength is set)
course_reserves Table course_id INT 10 null

foreign key to link to courses.course_id
printers_profile Table units CHAR 20 POINT
issuingrules Table no_auto_renewal_after INT 10 √ null

no auto renewal allowed after X days or hours after the issue date
uploaded_files Table public TINYINT 3 √ null
deletedborrowers Table surname LONGTEXT 2147483647 √ null

patron/borrower's last name (surname)
authorised_values Table category VARCHAR 32

key used to identify the authorized value category
subscription_numberpatterns Table label2 VARCHAR 255 √ null
vendor_edi_accounts Table last_activity DATE 10 √ null
import_batches Table matcher_id INT 10 √ null

the id of the match rule used (matchpoints.matcher_id)
items_last_borrower Table created_on TIMESTAMP 19 current_timestamp()
borrower_modifications Table B_address2 MEDIUMTEXT 16777215 √ null
patronimage Table borrowernumber INT 10 null

the borrowernumber of the patron this image is attached to (borrowers.borrowernumber)
illrequests Table borrowernumber INT 10 √ null
borrower_modifications Table lost BIT 0 √ null
clubs Table date_created TIMESTAMP 19 current_timestamp()
aqbooksellers Table url VARCHAR 255 √ null

vendor web address
subscription_numberpatterns Table add1 INT 10 √ null
pending_offline_operations Table timestamp TIMESTAMP 19 current_timestamp()
aqorders Table budgetdate DATE 10 √ null

not used? always NULL
import_auths Table original_source VARCHAR 25 √ null
marc_modification_template_actions Table mmta_id INT 10 √ null
aqbasket Table basketno INT 10 √ null

primary key, Koha defined number
auth_subfield_structure Table liblibrarian VARCHAR 255
social_data Table num_critics_pro INT 10 √ null
aqinvoice_adjustments Table timestamp TIMESTAMP 19 current_timestamp()

timestamp of last adjustment to adjustment
search_marc_map Table id INT 10 √ null
auth_tag_structure Table authtypecode VARCHAR 10
biblio_metadata Table biblionumber INT 10 null
borrower_attribute_types_branches Table b_branchcode VARCHAR 10 √ null
deletedborrowers Table userid VARCHAR 75 √ null

patron/borrower's opac and/or staff client log in
issuingrules Table fine DECIMAL 28 √ null

fine amount
accountlines Table accountno SMALLINT 5 0
biblio_metadata Table format VARCHAR 16 null
subscription Table letter VARCHAR 20 √ null
categories Table hidelostitems BIT 0 0

are lost items shown to this category (1 for yes, 0 for no)
import_biblios Table issn VARCHAR 9 √ null
action_logs Table object INT 10 √ null

the object that the action was taken against (could be a borrowernumber, itemnumber, etc)
illrequests Table backend VARCHAR 20 √ null
social_data Table isbn VARCHAR 30 null
sessions Table id VARCHAR 32 null
refund_lost_item_fee_rules Table refund BIT 0 0

control wether to refund lost item fees on return
aqcontacts Table claimissues BIT 0 0

should this contact receive serial claims
courses Table department VARCHAR 80 √ null

the authorised value for the DEPARTMENT
library_groups Table description MEDIUMTEXT 16777215 √ null
deletedbiblioitems Table ean LONGTEXT 2147483647 √ null
branches Table branchaddress3 LONGTEXT 2147483647 √ null

the third address line of for your library or branch
borrowers Table city LONGTEXT 2147483647 √ null

the city or town for your patron/borrower's primary address
search_history Table userid INT 10 null

the patron who performed the search (borrowers.borrowernumber)
deleteditems Table booksellerid LONGTEXT 2147483647 √ null

where the item was purchased (MARC21 952$e)
borrower_attribute_types Table class VARCHAR 255
zebraqueue Table biblio_auth_number BIGINT UNSIGNED 20 0
aqbudgets Table budget_code VARCHAR 30 √ null

code assigned to the fund by the user
old_issues Table date_due DATETIME 19 √ null

date the item is due (yyyy-mm-dd)
search_field Table type enum('', 'string', 'date', 'number', 'boolean', 'sum', 'isbn', 'stdno') 7 null

what type of data this holds, relevant when storing it in the search engine
message_queue Table time_queued TIMESTAMP 19 current_timestamp()
circulation_rules Table categorycode VARCHAR 10 √ null
subscription_numberpatterns Table id INT 10 √ null
itemtypes Table notforloan SMALLINT 5 √ null

1 if the item is not for loan, 0 if the item is available for loan
aqcontract Table booksellerid INT 10 null
edifact_ean Table description VARCHAR 128 √ null
special_holidays Table branchcode VARCHAR 10

foreign key from the branches table, defines which branch this closing is for
borrower_attribute_types Table display_checkout BIT 0 0
subscription Table skip_serialseq BIT 0 0
deletedborrowers Table gonenoaddress BIT 0 √ null

set to 1 for yes and 0 for no, flag to note that library marked this patron/borrower as having an unconfirmed address
overduerules Table letter3 VARCHAR 20 √ null

foreign key from the letter table to define which notice should be sent as the third notice
borrower_modifications Table B_address VARCHAR 100 √ null
old_issues Table onsite_checkout INT 10 0

in house use flag
deletedborrowers Table updated_on TIMESTAMP 19 current_timestamp()

time of last change could be useful for synchronization with external systems (among others)
illcomments Table borrowernumber INT 10 √ null
reserves Table reservedate DATE 10 √ null

the date the hold was placed
subscription Table lastbranch VARCHAR 10 √ null
aqbudgets Table budget_amount DECIMAL 28 √ 0.000000

total amount for this fund
item_circulation_alert_preferences Table item_type VARCHAR 10 null
virtualshelves Table lastmodified TIMESTAMP 19 current_timestamp()

date and time the list was last modified
items Table itemnumber INT 10 √ null

primary key and unique identifier added by Koha
overduerules Table letter1 VARCHAR 20 √ null

foreign key from the letter table to define which notice should be sent as the first notice
aqorders Table suppliers_report MEDIUMTEXT 16777215 √ null

reports received from suppliers
deletedborrowers Table state MEDIUMTEXT 16777215 √ null

the state or province for your patron/borrower's primary address
marc_subfield_structure Table kohafield VARCHAR 40 √ null
aqorders Table ecost_tax_excluded DECIMAL 28 √ null

the estimated cost excluding tax
issuingrules Table hardduedatecompare TINYINT 3 0

type of hard due date (1 = after, 0 = on, -1 = before)
reserves Table timestamp TIMESTAMP 19 current_timestamp()

the date and time this hold was last updated
item_circulation_alert_preferences Table branchcode VARCHAR 10 null
deletedbiblio_metadata Table id INT 10 √ null
aqbooksellers Table phone VARCHAR 30 √ null

vendor phone number
oai_sets_biblios Table biblionumber INT 10 null
branch_transfer_limits Table toBranch VARCHAR 10 null
matchpoint_components Table length INT 10 0
aqbudgetperiods Table budget_period_total DECIMAL 28 √ null

total amount available in this budget
oauth_access_tokens Table client_id VARCHAR 191 null

the client id the access token belongs to
edifact_messages Table id INT 10 √ null
export_format Table csv_separator VARCHAR 2 ,
deletedborrowers Table categorycode VARCHAR 10

foreign key from the categories table, includes the code of the patron category
auth_subfield_structure Table libopac VARCHAR 255
default_branch_item_rules Table holdallowed BIT 0 √ null
categories Table upperagelimit SMALLINT 5 √ null

age limit for the patron
need_merge_authorities Table authid BIGINT 19 null

reference to original authority record
borrower_modifications Table altcontactfirstname VARCHAR 255 √ null
reports_dictionary Table saved_sql MEDIUMTEXT 16777215 √ null

SQL snippet for us in reports
borrower_attribute_types Table code VARCHAR 10 null

unique key used to identify each custom field
creator_layouts Table font CHAR 10 TR
deletedborrowers Table sort2 VARCHAR 80 √ null

a field that can be used for any information unique to the library
class_sort_rules Table sort_routine VARCHAR 30
aqbudgetborrowers Table borrowernumber INT 10 null
deleteditems Table copynumber VARCHAR 32 √ null

copy number (MARC21 952$t)
borrower_debarments Table created TIMESTAMP 19 current_timestamp()

date the restriction was added
hold_fill_targets Table biblionumber INT 10 null
marc_modification_templates Table name MEDIUMTEXT 16777215 null
borrower_modifications Table smsalertnumber VARCHAR 50 √ null
vendor_edi_accounts Table id_code_qualifier VARCHAR 3 √ 14
biblioitems Table cn_suffix VARCHAR 10 √ null
deleteditems Table enumchron MEDIUMTEXT 16777215 √ null

serial enumeration/chronology for the item (MARC21 952$h)
virtualshelves Table category VARCHAR 1 √ null

type of list (private 1, public 2)
deleteditems Table datelastborrowed DATE 10 √ null

the date the item was last checked out
deletedborrowers Table sms_provider_id INT 10 √ null

the provider of the mobile phone number defined in smsalertnumber
auth_header Table authtypecode VARCHAR 10
subscription_frequencies Table unitsperissue INT 10 1
branch_borrower_circ_rules Table branchcode VARCHAR 10 null

the branch this rule applies to (branches.branchcode)
class_split_rules Table split_regex VARCHAR 255
deletedbiblio Table notes LONGTEXT 2147483647 √ null

values from the general notes field in the MARC record (500$a in MARC21) split by bar (|)
items Table notforloan BIT 0 0

authorized value defining why this item is not for loan (MARC21 952$7)
import_biblios Table original_source VARCHAR 25 √ null
biblioimages Table biblionumber INT 10 null

foreign key from biblio table to link to biblionumber
borrower_modifications Table B_country MEDIUMTEXT 16777215 √ null
virtualshelves Table sortfield VARCHAR 16 √ title

the field this list is sorted on
linktracker Table id INT 10 √ null

primary key identifier
course_items Table timestamp TIMESTAMP 19 current_timestamp()
old_reserves Table itemnumber INT 10 √ null

foreign key from the items table defining the specific item the patron has placed on hold or the item this hold was filled with
illrequests Table medium VARCHAR 30 √ null
deletedbiblioitems Table publishercode VARCHAR 255 √ null

publisher (MARC21 260$b)
aqorders Table suppliers_reference_number VARCHAR 35 √ null

Suppliers unique edifact quote ref
vendor_edi_accounts Table shipment_budget INT 10 √ null
browser Table number BIGINT 19 null
biblio Table notes LONGTEXT 2147483647 √ null

values from the general notes field in the MARC record (500$a in MARC21) split by bar (|)
borrowers Table title LONGTEXT 2147483647 √ null

patron/borrower's title, for example: Mr. or Mrs.
aqbudgets_planning Table estimated_amount DECIMAL 28 √ null
default_branch_item_rules Table returnbranch VARCHAR 15 √ null
userflags Table flag VARCHAR 30 √ null
branches Table branchcity LONGTEXT 2147483647 √ null

the city or province for your library or branch
deleteditems Table issues SMALLINT 5 √ null

number of times this item has been checked out
aqbasketgroups Table deliverycomment VARCHAR 255 √ null
action_logs Table module MEDIUMTEXT 16777215 √ null

the module this action was taken against
items Table homebranch VARCHAR 10 √ null

foreign key from the branches table for the library that owns this item (MARC21 952$a)
borrowers Table altcontactphone VARCHAR 50 √ null

the phone number for the alternate contact for the patron/borrower
borrowers Table branchcode VARCHAR 10

foreign key from the branches table, includes the code of the patron/borrower's home branch
borrower_modifications Table address2 MEDIUMTEXT 16777215 √ null
hold_fill_targets Table itemnumber INT 10 null
printers_profile Table creator CHAR 15 Labels
borrower_modifications Table borrowernumber INT 10 0
aqorders Table invoiceid INT 10 √ null

id of invoice
reserves Table waitingdate DATE 10 √ null

the date the item was marked as waiting for the patron at the library
club_template_enrollment_fields Table description MEDIUMTEXT 16777215 √ null
biblio Table abstract LONGTEXT 2147483647 √ null

summary from the MARC record (520$a in MARC21)
old_reserves Table priority SMALLINT 5 √ null

where in the queue the patron sits
itemtypes Table checkinmsg VARCHAR 255 √ null

message that is displayed when an item with the given item type is checked in
deletedbiblioitems Table cn_sort VARCHAR 255 √ null

normalized version of the call number used for sorting
deletedborrowers Table address LONGTEXT 2147483647 √ null

the first address line for your patron/borrower's primary address
reports_dictionary Table date_created DATETIME 19 √ null

date and time this definition was created
marc_matchers Table description VARCHAR 255
items_search_fields Table tagsubfield CHAR 1 √ null
tags Table entry VARCHAR 255
library_groups Table updated_on TIMESTAMP 19 current_timestamp()

Date and time of last
aqbasketgroups Table deliveryplace VARCHAR 10 √ null
cities Table cityid INT 10 √ null

unique identifier added by Koha
branches Table branchip VARCHAR 15 √ null

the IP address for your library or branch
linktracker Table itemnumber INT 10 √ null

itemnumber if applicable that the link was from
clubs Table branchcode VARCHAR 10 √ null
deletedborrowers Table smsalertnumber VARCHAR 50 √ null

the mobile phone number where the patron/borrower would like to receive notices (if SMS turned on)
deletedbiblioitems Table cn_suffix VARCHAR 10 √ null
deletedbiblio Table seriestitle LONGTEXT 2147483647 √ null
alert Table borrowernumber INT 10 0
deleteditems Table renewals SMALLINT 5 √ null

number of times this item has been renewed
pending_offline_operations Table operationid INT 10 √ null
import_records Table overlay_status enum('no_match', 'auto_match', 'manual_match', 'match_applied') 13 no_match
import_batches Table import_status enum('staging', 'staged', 'importing', 'imported', 'reverting', 'reverted', 'cleaned') 9 staging

the status of the imported file
subscription_numberpatterns Table every3 INT 10 √ null
aqbasket Table basketgroupid INT 10 √ null

links this basket to its group (aqbasketgroups.id)
deletedbiblio Table unititle LONGTEXT 2147483647 √ null

uniform title (without the subtitle) from the MARC record (240$a in MARC21)
housebound_profile Table day MEDIUMTEXT 16777215 null
biblio_metadata Table metadata LONGTEXT 2147483647 null
borrowers Table B_phone LONGTEXT 2147483647 √ null

the patron/borrower's alternate phone number
import_batches Table nomatch_action enum('create_new', 'ignore') 11 create_new

how to handle records where no match is found
borrowers Table lang VARCHAR 25 default

lang to use to send notices to this patron
deletedborrowers Table zipcode VARCHAR 25 √ null

the zip or postal code for your patron/borrower's primary address
creator_batches Table label_id INT 10 √ null
items Table materials MEDIUMTEXT 16777215 √ null

materials specified (MARC21 952$3)
aqorders Table uncertainprice BIT 0 √ null

was this price uncertain (1 for yes, 0 for no)
deleteditems Table cn_sort VARCHAR 255 √ null

normalized form of the call number (MARC21 952$o) used for sorting
tags_all Table tag_id INT 10 √ null

unique id and primary key
branches Table pickup_location BIT 0 1

the ability to act as a pickup location
marc_subfield_structure Table frameworkcode VARCHAR 4
borrower_attribute_types Table authorised_value_category VARCHAR 32 √ null

foreign key from authorised_values that links this custom field to an authorized value category
borrowers Table borrowernumber INT 10 √ null

primary key, Koha assigned ID number for patrons/borrowers
aqinvoices Table closedate DATE 10 √ null
serialitems Table itemnumber INT 10 null
deleteditems Table onloan DATE 10 √ null

defines if item is checked out (NULL for not checked out, and due date for checked out)
items Table cn_sort VARCHAR 255 √ null
class_sort_rules Table class_sort_rule VARCHAR 10
items Table holdingbranch VARCHAR 10 √ null

foreign key from the branches table for the library that is currently in possession item (MARC21 952$b)
creator_templates Table template_desc CHAR 100 Default description
subscriptionhistory Table histstartdate DATE 10 √ null
browser Table endnode TINYINT 3 null
issuingrules Table article_requests enum('no', 'yes', 'bib_only', 'item_only') 9 no

allow article requests to be placed,
aqbooksellers Table name LONGTEXT 2147483647 null

vendor name
zebraqueue Table server CHAR 20
aqorders Table quantityreceived SMALLINT 5 0

the quantity that have been received so far
aqbasketgroups Table id INT 10 √ null
repeatable_holidays Table description MEDIUMTEXT 16777215 null

description for this closing
subscription_numberpatterns Table add2 INT 10 √ null
borrower_modifications Table contactfirstname MEDIUMTEXT 16777215 √ null
subscription_numberpatterns Table setto3 INT 10 √ null
old_issues Table borrowernumber INT 10 √ null

foreign key, linking this to the borrowers table for the patron this item was checked out to
deletedbiblioitems Table volumedesc MEDIUMTEXT 16777215 √ null

volume information (MARC21 362$a)
creator_layouts Table text_justify CHAR 1 L
statistics Table usercode VARCHAR 10 √ null

unused in Koha
biblioitems Table size VARCHAR 255 √ null

material size (MARC21 300$c)
suggestions Table note LONGTEXT 2147483647 √ null

note entered on the suggestion
deletedborrowers Table altcontactsurname VARCHAR 255 √ null

surname or last name of the alternate contact for the patron/borrower
refund_lost_item_fee_rules Table branchcode VARCHAR 10

the branch this rule is for (branches.branchcode)
import_records Table marcxml_old LONGTEXT 2147483647 null
edifact_messages Table basketno INT 10 √ null
borrower_modifications Table altcontactphone VARCHAR 50 √ null
aqcontract Table contractenddate DATE 10 √ null
old_issues Table returndate DATETIME 19 √ null

date the item was returned
virtualshelves Table owner INT 10 √ null

foreign key linking to the borrowers table (using borrowernumber) for the creator of this list (changed from varchar(80) to int)
deletedborrowers Table B_email MEDIUMTEXT 16777215 √ null

the patron/borrower's alternate email address
housebound_visit Table day_segment VARCHAR 10 √ null
deletedborrowers Table fax LONGTEXT 2147483647 √ null

the fax number for your patron/borrower's primary address
borrowers Table zipcode VARCHAR 25 √ null

the zip or postal code for your patron/borrower's primary address
borrowers Table cardnumber VARCHAR 32 √ null

unique key, library assigned ID number for patrons/borrowers
subscription_numberpatterns Table numbering1 VARCHAR 255 √ null
club_templates Table id INT 10 √ null
borrowers Table contactfirstname MEDIUMTEXT 16777215 √ null

used for children to include first name of guarantor
borrower_modifications Table firstname MEDIUMTEXT 16777215 √ null
misc_files Table table_tag VARCHAR 255 null

usually table name, or arbitrary unique tag
aqbudgetperiods Table sort1_authcat VARCHAR 10 √ null

statistical category for this budget
aqbasketusers Table borrowernumber INT 10 null
auth_tag_structure Table mandatory TINYINT 3 0
import_records Table import_date DATE 10 √ null
biblioitems Table cn_class VARCHAR 30 √ null
subscription Table countissuesperunit INT 10 1
borrower_modifications Table gonenoaddress BIT 0 √ null
housebound_role Table housebound_chooser BIT 0 0

set to 1 to indicate this patron is a housebound chooser volunteer
aqbooksellers Table booksellerurl LONGTEXT 2147483647 √ null

unused in Koha
borrower_files Table file_type VARCHAR 255 null

type of file
reserves Table reserve_id INT 10 √ null

primary key
repeatable_holidays Table title VARCHAR 50

title of this closing
branchtransfers Table itemnumber INT 10 0

the itemnumber that it is in transit (items.itemnumber)
deletedbiblio Table copyrightdate SMALLINT 5 √ null

publication or copyright date from the MARC record
messages Table message_date TIMESTAMP 19 current_timestamp()

the date and time the message was written
club_fields Table club_id INT 10 null
repeatable_holidays Table weekday SMALLINT 5 √ null

day of the week (0=Sunday, 1=Monday, etc) this closing is repeated on
creator_templates Table creator CHAR 15 Labels
borrowers Table categorycode VARCHAR 10

foreign key from the categories table, includes the code of the patron category
columns_settings Table module VARCHAR 255 null
borrower_debarments Table updated TIMESTAMP 19 √ null

date the restriction was updated
vendor_edi_accounts Table plugin VARCHAR 256
aqinvoices Table booksellerid INT 10 null
borrower_modifications Table verification_token VARCHAR 255
zebraqueue Table time TIMESTAMP 19 current_timestamp()
borrowers Table mobile VARCHAR 50 √ null

the other phone number for your patron/borrower's primary address
borrowers Table contactname LONGTEXT 2147483647 √ null

used for children and profesionals to include surname or last name of guarantor or organization name
creator_templates Table left_margin FLOAT 12 0
borrower_modifications Table debarredcomment VARCHAR 255 √ null
misc_files Table record_id INT 10 null

record id from the table this file is associated to
search_history Table query_cgi MEDIUMTEXT 16777215 null

the string to append to the search url to rerun the search
borrower_modifications Table B_zipcode VARCHAR 25 √ null
saved_sql Table last_run DATETIME 19 √ null
opac_news Table content MEDIUMTEXT 16777215 null

the body of your news article
auth_header Table origincode VARCHAR 20 √ null
course_reserves Table ci_id INT 10 null

foreign key to link to courses_items.ci_id
borrower_attributes Table code VARCHAR 10 null

foreign key from the borrower_attribute_types table, defines which custom field this value was entered for
library_groups Table id INT 10 √ null
old_issues Table branchcode VARCHAR 10 √ null

foreign key, linking to the branches table for the location the item was checked out
borrower_attributes Table id INT 10 √ null

Row id field
message_queue Table borrowernumber INT 10 √ null
biblio Table unititle LONGTEXT 2147483647 √ null

uniform title (without the subtitle) from the MARC record (240$a in MARC21)
reports_dictionary Table name VARCHAR 255 √ null

name for this definition
creator_layouts Table oblique_title INT 10 √ 1
pending_offline_operations Table action VARCHAR 10 null
borrower_modifications Table B_email MEDIUMTEXT 16777215 √ null
aqinvoices Table message_id INT 10 √ null

foreign key to edifact invoice message
borrower_message_preferences Table borrower_message_preference_id INT 10 √ null
borrower_password_recovery Table valid_until TIMESTAMP 19 current_timestamp()

a time limit on the password recovery attempt
printers_profile Table offset_vert FLOAT 12 0
stockrotationstages Table rota_id INT 10 null
deletedborrowers Table B_streettype VARCHAR 50 √ null

the street type (Rd., Blvd, etc) for your patron/borrower's alternate address
opac_news Table expirationdate DATE 10 √ null

date the article is set to expire or no longer be visible
aqbudgets_planning Table display BIT 0 √ 1
borrower_modifications Table city LONGTEXT 2147483647 √ null
subscription Table weeklength INT 10 √ 0

subscription length in weeks (will not be filled in if monthlength or numberlength is set)
marc_matchers Table code VARCHAR 10
borrowers Table gonenoaddress BIT 0 √ null

set to 1 for yes and 0 for no, flag to note that library marked this patron/borrower as having an unconfirmed address
marc_modification_template_actions Table action enum('delete_field', 'add_field', 'update_field', 'move_field', 'copy_field', 'copy_and_replace_field') 22 null
suggestions Table total DECIMAL 28 √ null

suggested total cost (price*quantity updated for currency)
oai_sets_mappings Table operator VARCHAR 8 equal
suggestions Table STATUS VARCHAR 10

suggestion status (ASKED, CHECKED, ACCEPTED, or REJECTED)
borrower_modifications Table sex VARCHAR 1 √ null
columns_settings Table tablename VARCHAR 255 null
z3950servers Table servertype enum('zed', 'sru') 4 zed

zed means z39.50 server
old_issues Table lastreneweddate DATETIME 19 √ null

date the item was last renewed
clubs Table id INT 10 √ null
deletedbiblioitems Table totalissues INT 10 √ null
aqcontacts Table position VARCHAR 100 √ null

contact person's position
aqcontract Table contractdescription LONGTEXT 2147483647 √ null
issuingrules Table maxonsiteissueqty INT 10 √ null

total number of on-site checkouts allowed
aqbooksellers Table active TINYINT 3 √ null

is this vendor active (1 for yes, 0 for no)
saved_sql Table report_group VARCHAR 80 √ null
deletedborrowers Table contactfirstname MEDIUMTEXT 16777215 √ null

used for children to include first name of guarantor
accountlines Table payment_type VARCHAR 80 √ null

optional authorised value PAYMENT_TYPE
creator_layouts Table printing_type CHAR 32 BAR
deletedbiblioitems Table volumedate DATE 10 √ null
items_last_borrower Table itemnumber INT 10 null
old_reserves Table expirationdate DATE 10 √ null

the date the hold expires (usually the date entered by the patron to say they don't need the hold after a certain date)
api_keys Table secret VARCHAR 191 null
tags_all Table date_created DATETIME 19 null

the date the tag was added
special_holidays Table description MEDIUMTEXT 16777215 null

description of this closing
biblioitems Table issn LONGTEXT 2147483647 √ null

ISSN (MARC21 022$a)
class_sources Table class_sort_rule VARCHAR 10
saved_reports Table id INT 10 √ null
borrowers Table sort1 VARCHAR 80 √ null

a field that can be used for any information unique to the library
marc_modification_template_actions Table conditional_regex BIT 0 0
auth_subfield_structure Table frameworkcode VARCHAR 10
special_holidays Table month SMALLINT 5 0

month this closing is in
borrower_modifications Table password VARCHAR 30 √ null
oai_sets Table id INT 10 √ null
aqorders Table cancellationreason MEDIUMTEXT 16777215 √ null

reason of cancellation
linktracker Table timeclicked DATETIME 19 √ null

the date and time the link was clicked
virtualshelfshares Table sharedate DATETIME 19 √ null
deletedbiblioitems Table number LONGTEXT 2147483647 √ null
categories Table issuelimit SMALLINT 5 √ null

unused in Koha
printers_profile Table creep_vert FLOAT 12 0
aqorders Table suppliers_reference_qualifier VARCHAR 3 √ null

Type of number above usually 'QLI'
creator_templates Table label_width FLOAT 12 0
tmp_holdsqueue Table itemnumber INT 10 √ null
auth_header Table linkid BIGINT 19 √ null
accountlines Table date DATE 10 √ null
subscription_numberpatterns Table label3 VARCHAR 255 √ null
borrowers Table streettype VARCHAR 50 √ null

the street type (Rd., Blvd, etc) for your patron/borrower's primary address
vendor_edi_accounts Table quotes_enabled BIT 0 0
illrequests Table placed DATE 10 √ null
deletedbiblioitems Table size VARCHAR 255 √ null

material size (MARC21 300$c)
deleteditems Table dateaccessioned DATE 10 √ null

date the item was acquired or added to Koha (MARC21 952$d)
authorised_values_branches Table branchcode VARCHAR 10 null
subscription Table innerloop2 INT 10 √ 0
letter Table content MEDIUMTEXT 16777215 √ null

body text for the notice or slip
borrower_modifications Table B_phone LONGTEXT 2147483647 √ null
class_split_rules Table class_split_rule VARCHAR 10
aqbooksellers Table fax VARCHAR 50 √ null

vendor fax number
borrower_modifications Table mobile VARCHAR 50 √ null
illrequests Table accessurl VARCHAR 500 √ null
aqcontract Table contractstartdate DATE 10 √ null
borrowers Table B_state MEDIUMTEXT 16777215 √ null

the state for your patron/borrower's alternate address
subscription Table manualhistory BIT 0 0

yes or no to managing the history manually
saved_reports Table report_id INT 10 √ null
discharges Table discharge_id INT 10 √ null
borrower_modifications Table email LONGTEXT 2147483647 √ null
authorised_values Table authorised_value VARCHAR 80

code use to identify the authorized value
deletedborrowers Table privacy INT 10 1

patron/borrower's privacy settings related to their reading history KEY borrowernumber (borrowernumber),
currency Table symbol VARCHAR 5 √ null
transport_cost Table cost DECIMAL 6 null
borrowers Table B_address2 MEDIUMTEXT 16777215 √ null

the second address line for your patron/borrower's alternate address
item_circulation_alert_preferences Table notification VARCHAR 16 null
clubs Table description MEDIUMTEXT 16777215 √ null
z3950servers Table userid VARCHAR 255 √ null

username needed to log in to target
club_enrollments Table borrowernumber INT 10 null
vendor_edi_accounts Table responses_enabled BIT 0 0
old_issues Table noteseen INT 10 √ null

describes whether checkout note has been seen 1, not been seen 0 or doesn't exist null
marc_modification_template_actions Table to_subfield VARCHAR 1 √ null
items_last_borrower Table id INT 10 √ null
z3950servers Table rank INT 10 √ null

where this target appears in the list of targets
alert Table type VARCHAR 10
statistics Table proccode VARCHAR 4 √ null

type of procedure used when making payments (does not appear in the code)
serial Table subscriptionid VARCHAR 100

foreign key to the subscription.subscriptionid that this issue is part of
import_batches Table template_id INT 10 √ null
language_subtag_registry Table description VARCHAR 25 √ null

only one of the possible descriptions for ease of reference, see language_descriptions for the complete list
fieldmapping Table field VARCHAR 255 null

keyword to be mapped to (ex. subtitle)
old_reserves Table suspend_until DATETIME 19 √ null

the date this hold is suspended until (NULL for infinitely)
creator_templates Table units CHAR 20 POINT
suggestions Table suggesteddate DATE 10 null

date the suggestion was submitted
biblioitems Table volumedesc MEDIUMTEXT 16777215 √ null

volume information (MARC21 362$a)
borrower_modifications Table dateenrolled DATE 10 √ null
marc_subfield_structure Table mandatory TINYINT 3 0
patronimage Table mimetype VARCHAR 15 null

the format of the image (png, jpg, etc)
user_permissions Table module_bit INT 10 0
z3950servers Table add_xslt LONGTEXT 2147483647 √ null

zero or more paths to XSLT files to be processed on the search results
matchchecks Table source_matchpoint_id INT 10 null
items Table renewals SMALLINT 5 √ null

number of times this item has been renewed
special_holidays Table year SMALLINT 5 0

year this closing is in
aqorders Table created_by INT 10 √ null

the borrowernumber of order line's creator
items Table enumchron MEDIUMTEXT 16777215 √ null

serial enumeration/chronology for the item (MARC21 952$h)
biblioitems Table pages VARCHAR 255 √ null

number of pages (MARC21 300$c)
permissions Table description VARCHAR 255 √ null
circulation_rules Table itemtype VARCHAR 10 √ null
virtualshelfcontents Table biblionumber INT 10 0

foreign key linking to the biblio table, defines the bib record that has been added to the list
biblio_metadata Table timestamp TIMESTAMP 19 current_timestamp()
items Table itemnotes_nonpublic LONGTEXT 2147483647 √ null
search_history Table sessionid VARCHAR 32 null

a system generated session id
itemtypes Table checkinmsgtype CHAR 16 message

type (CSS class) for the checkinmsg, can be "alert" or "message"
search_field Table label VARCHAR 255 null

the human readable name of the field, for display
language_rfc4646_to_iso639 Table id INT 10 √ null
default_branch_circ_rules Table branchcode VARCHAR 10 null
aqbudgets Table budget_id INT 10 √ null

primary key and unique number assigned to each fund by Koha
authorised_values Table lib_opac VARCHAR 200 √ null

authorized value description as printed in the OPAC
aqbudgets Table sort1_authcat VARCHAR 80 √ null

statistical category for this fund
old_issues Table itemnumber INT 10 √ null

foreign key, linking this to the items table for the item that was checked out
subscription Table graceperiod INT 10 0

grace period in days
subscription Table enddate DATE 10 √ null

subscription end date
repeatable_holidays Table id INT 10 √ null

unique identifier assigned by Koha
borrowers Table firstname MEDIUMTEXT 16777215 √ null

patron/borrower's first name
categories Table enrolmentperiod SMALLINT 5 √ null

number of months the patron is enrolled for (will be NULL if enrolmentperioddate is set)
aqorders Table unitprice_tax_excluded DECIMAL 28 √ null

the unit price excluding tax (on receiving)
itemtypes Table summary MEDIUMTEXT 16777215 √ null

information from the summary field, may include HTML
borrower_modifications Table B_streetnumber VARCHAR 10 √ null
suggestions Table rejecteddate DATE 10 √ null

date the suggestion was marked as rejected
additional_field_values Table record_id INT 10 null

record_id
auth_tag_structure Table repeatable TINYINT 3 0
illrequests Table notesstaff MEDIUMTEXT 16777215 √ null
transport_cost Table disable_transfer BIT 0 0
z3950servers Table servername LONGTEXT 2147483647 null

name given to the target by the library
import_items Table status enum('error', 'staged', 'imported', 'reverted', 'ignored') 8 staged
suggestions Table collectiontitle MEDIUMTEXT 16777215 √ null

collection name for the suggested item
aqorders Table freight DECIMAL 28 √ null

shipping costs (not used)
subscription Table innerloop3 INT 10 √ 0
article_requests Table date MEDIUMTEXT 16777215 √ null
aqorders Table purchaseordernumber LONGTEXT 2147483647 √ null

not used? always NULL
borrowers Table dateexpiry DATE 10 √ null

date the patron/borrower's card is set to expire (YYYY-MM-DD)
aqbooksellers Table bookselleremail LONGTEXT 2147483647 √ null

vendor email
import_biblios Table matched_biblionumber INT 10 √ null
library_groups Table ft_search_groups_opac BIT 0 0

Use this group for staff side search groups
marc_tag_structure Table authorised_value VARCHAR 10 √ null
letter Table code VARCHAR 20

unique identifier for this notice or slip
marc_modification_template_actions Table conditional_value MEDIUMTEXT 16777215 √ null
vendor_edi_accounts Table san VARCHAR 20 √ null
aqcontacts Table phone VARCHAR 100 √ null

contact's phone number
userflags Table defaulton INT 10 √ null
suggestions Table patronreason MEDIUMTEXT 16777215 √ null

reason for making the suggestion
categories Table dateofbirthrequired BIT 0 √ null

the minimum age required for the patron category
default_borrower_circ_rules Table categorycode VARCHAR 10 null

patron category this rul
deletedbiblioitems Table publicationyear MEDIUMTEXT 16777215 √ null
aqorders Table discount FLOAT 6 √ null

the discount for this line item (%)
deletedborrowers Table dateofbirth DATE 10 √ null

the patron/borrower's date of birth (YYYY-MM-DD)
message_attributes Table message_name VARCHAR 40
subscription Table reneweddate DATE 10 √ null

date of last renewal for the subscription
aqorders Table entrydate DATE 10 √ null

the date the bib was added to the basket
subscriptionhistory Table subscriptionid INT 10 0
deletedbiblioitems Table lccn VARCHAR 25 √ null

library of congress control number (MARC21 010$a)
deleteditems Table replacementpricedate DATE 10 √ null

the date the price is effective from (MARC21 952$w)
patron_consent Table type enum('GDPR_PROCESSING') 16 √ null

allows for future extension
biblioitems Table totalissues INT 10 √ null
collections_tracking Table colId INT 10 0

collections.colId
deletedborrowers Table altcontactstate MEDIUMTEXT 16777215 √ null

the state for the alternate contact for the patron/borrower
deletedborrowers Table altcontactaddress1 VARCHAR 255 √ null

the first address line for the alternate contact for the patron/borrower
borrower_debarments Table expiration DATE 10 √ null

expiration date of the restriction
misc_files Table file_content LONGBLOB 2147483647 null

file content
borrowers Table altcontactaddress1 VARCHAR 255 √ null

the first address line for the alternate contact for the patron/borrower
aqorder_users Table borrowernumber INT 10 null

the borrowernumber for the patron receiving notifications for this order (borrowers.borrowernumber)
deletedborrowers Table altcontactzipcode VARCHAR 50 √ null

the zipcode for the alternate contact for the patron/borrower
issuingrules Table renewalperiod INT 10 √ null

renewal period in the unit set in issuingrules.lengthunit
overduerules Table debarred3 INT 10 √ 0

is the patron restricted when the third notice is sent (1 for yes, 0 for no)
deletedbiblio Table serial BIT 0 √ null

Boolean indicating whether biblio is for a serial
circulation_rules Table rule_value VARCHAR 32 null
borrower_modifications Table gdpr_proc_consent DATETIME 19 √ null

data processing consent
deletedbiblioitems Table illus VARCHAR 255 √ null

illustrations (MARC21 300$b)
virtualshelves Table allow_change_from_owner BIT 0 √ 1

can owner change contents?
patron_lists Table shared BIT 0 √ 0
subscription Table aqbudgetid INT 10 √ 0
transport_cost Table tobranch VARCHAR 10 null
biblio Table frameworkcode VARCHAR 4

foreign key from the biblio_framework table to identify which framework was used in cataloging this record
virtualshelves Table allow_change_from_others BIT 0 √ 0

can others change contents?
club_templates Table name TEXT 65535 null
marc_subfield_structure Table tagfield VARCHAR 3
action_logs Table info MEDIUMTEXT 16777215 √ null

information about the action (usually includes SQL statement)
audio_alerts Table id INT 10 √ null
aqorders Table subscriptionid INT 10 √ null

links this order line to a subscription (subscription.subscriptionid)
borrower_password_recovery Table borrowernumber INT 10 null

the user asking a password recovery
old_reserves Table cancellationdate DATE 10 √ null

the date this hold was cancelled
aqorders_items Table timestamp TIMESTAMP 19 current_timestamp()

the date and time this order item was last touched
borrowers Table checkprevcheckout VARCHAR 7 inherit

produce a warning for this patron if this item has previously been checked out to this patron if 'yes', not if 'no', defer to category setting if 'inherit'.
overduerules Table branchcode VARCHAR 10

foreign key from the branches table to define which branch this rule is for (if blank it's all libraries)
borrowers Table streetnumber VARCHAR 10 √ null

the house number for your patron/borrower's primary address
issuingrules Table maxsuspensiondays INT 10 √ null

max suspension days
fieldmapping Table frameworkcode CHAR 4

foreign key from the biblio_framework table to link this mapping to a specific framework
aqbooksellers Table tax_rate DECIMAL 6 √ null

the tax rate the library is charged
subscriptionroutinglist Table routingid INT 10 √ null

unique identifier assigned by Koha
deletedborrowers Table emailpro MEDIUMTEXT 16777215 √ null

the secondary email addres for your patron/borrower's primary address
overduerules Table categorycode VARCHAR 10

foreign key from the categories table to define which patron category this rule is for
serial Table routingnotes MEDIUMTEXT 16777215 √ null

notes from the routing list
deleteditems Table stocknumber VARCHAR 32 √ null

inventory number (MARC21 952$i)
aqbooksellers Table invoiceincgst TINYINT 3 √ null

is tax included in invoice prices (1 for yes, 0 for no)
default_branch_circ_rules Table maxissueqty INT 10 √ null
deletedborrowers Table othernames LONGTEXT 2147483647 √ null

any other names associated with the patron/borrower
overduerules Table delay2 INT 10 √ null

number of days after the item is overdue that the second notice is sent
aqbudgetperiods Table sort2_authcat VARCHAR 10 √ null

second statistical category for this budget
opac_news Table number INT 10 √ null

the order in which this article appears in that specific location
suggestions Table itemtype VARCHAR 30 √ null

suggested item type
aqbooksellers Table listincgst TINYINT 3 √ null

is tax included in list prices (1 for yes, 0 for no)
discharges Table validated TIMESTAMP 19 √ null
branches Table branchcode VARCHAR 10

a unique key assigned to each branch
systempreferences Table variable VARCHAR 50

system preference name
serial Table publisheddate DATE 10 √ null

date published
deletedbiblio_metadata Table timestamp TIMESTAMP 19 current_timestamp()
deletedbiblioitems Table volume LONGTEXT 2147483647 √ null
borrower_modifications Table altcontactaddress2 VARCHAR 255 √ null
borrower_modifications Table timestamp TIMESTAMP 19 current_timestamp()
suggestions Table price DECIMAL 28 √ null

suggested price
deleteditems Table restricted BIT 0 √ null

authorized value defining use restrictions for this item (MARC21 952$5)
message_queue Table content MEDIUMTEXT 16777215 √ null
aqbudgets_planning Table authcat VARCHAR 30 null
tmp_holdsqueue Table item_level_request TINYINT 3 0
borrower_modifications Table B_state MEDIUMTEXT 16777215 √ null
matchpoint_components Table sequence INT 10 0
suggestions Table accepteddate DATE 10 √ null

date the suggestion was marked as accepted
search_marc_to_field Table facet BIT 0 √ 0

true if a facet field should be generated for this
default_circ_rules Table hold_fulfillment_policy enum('any', 'homebranch', 'holdingbranch') 13 any

limit trapping of holds by branchcode
items Table coded_location_qualifier VARCHAR 10 √ null

coded location qualifier(MARC21 952$f)
action_logs Table action MEDIUMTEXT 16777215 √ null

the action (includes things like DELETED, ADDED, MODIFY, etc)
borrowers Table B_country MEDIUMTEXT 16777215 √ null

the country for your patron/borrower's alternate address
serial Table notes MEDIUMTEXT 16777215 √ null

notes
items Table itype VARCHAR 10 √ null

foreign key from the itemtypes table defining the type for this item (MARC21 952$y)
biblioitems Table publishercode VARCHAR 255 √ null

publisher (MARC21 260$b)
biblioitems Table agerestriction VARCHAR 255 √ null

target audience/age restriction from the bib record (MARC21 521$a)
borrowers Table altcontactsurname VARCHAR 255 √ null

surname or last name of the alternate contact for the patron/borrower
printers Table printtype VARCHAR 20 √ null
deleteditems Table biblioitemnumber INT 10 0

foreign key from the biblioitems table to link to item to additional information
club_templates Table is_enrollable_from_opac BIT 0 0
biblio_framework Table frameworkcode VARCHAR 4

the unique code assigned to the framework
items Table dateaccessioned DATE 10 √ null

date the item was acquired or added to Koha (MARC21 952$d)
categories Table enrolmentperioddate DATE 10 √ null

date the patron is enrolled until (will be NULL if enrolmentperiod is set)
printers_profile Table profile_id INT 10 √ null
subscription Table status VARCHAR 100
pending_offline_operations Table amount DECIMAL 28 √ null
borrower_modifications Table dateofbirth DATE 10 √ null
aqorders Table tax_value_bak DECIMAL 28 √ null

the tax value for this line item
borrower_modifications Table altcontactsurname VARCHAR 255 √ null
borrowers Table sex VARCHAR 1 √ null

patron/borrower's gender
deletedborrowers Table B_phone LONGTEXT 2147483647 √ null

the patron/borrower's alternate phone number
accountlines Table amountoutstanding DECIMAL 28 √ null
borrower_modifications Table opacnote LONGTEXT 2147483647 √ null
deleteditems Table ccode VARCHAR 80 √ null

authorized value for the collection code associated with this item (MARC21 952$8)
branches_overdrive Table branchcode VARCHAR 10 null
suggestions Table managedby INT 10 √ null

borrowernumber for the librarian managing the suggestion, foreign key linking to the borrowers table
z3950servers Table host VARCHAR 255 √ null

target's host name
creator_batches Table item_number INT 10 √ null
aqinvoice_adjustments Table reason VARCHAR 80 √ null

reason for adjustment defined by authorised values in ADJ_REASON category
auth_tag_structure Table liblibrarian VARCHAR 255
borrower_attribute_types Table unique_id BIT 0 0

defines if this value needs to be unique (1 for yes, 0 for no)
aqorders Table unitprice DECIMAL 28 √ null

the actual cost entered when receiving this line item
statistics Table type VARCHAR 16 √ null

transaction type (localuse, issue, return, renew, writeoff, payment)
marc_subfield_structure Table libopac VARCHAR 255
borrower_modifications Table sort1 VARCHAR 80 √ null
aqorders Table claimed_date DATE 10 √ null

last date a claim was generated
uploaded_files Table uploadcategorycode TEXT 65535 √ null
illrequests Table cost VARCHAR 20 √ null
reserves Table found VARCHAR 1 √ null

a one letter code defining what the status is of the hold is after it has been confirmed
printers_profile Table offset_horz FLOAT 12 0
deleteditems Table coded_location_qualifier VARCHAR 10 √ null

coded location qualifier(MARC21 952$f)
api_keys Table patron_id INT 10 null
messages Table message MEDIUMTEXT 16777215 null

the text of the message
borrower_modifications Table zipcode VARCHAR 25 √ null
aqbudgets_planning Table plan_id INT 10 √ null
illrequestattributes Table illrequest_id BIGINT UNSIGNED 20 null

ILL request number
borrower_debarments Table borrowernumber INT 10 null

foreign key for borrowers.borrowernumber for patron who is restricted
stockrotationrotas Table active BIT 0 0
z3950servers Table syntax VARCHAR 80 √ null

marc format provided by this target
systempreferences Table type VARCHAR 20 √ null

type of question this preference asks (multiple choice, plain text, yes or no, etc)
itemtypes Table searchcategory VARCHAR 80 √ null

Group this item type with others with the same value on OPAC search options
deletedborrowers Table dateenrolled DATE 10 √ null

date the patron was added to Koha (YYYY-MM-DD)
deletedbiblio Table author LONGTEXT 2147483647 √ null

statement of responsibility from MARC record (100$a in MARC21)
borrower_debarments Table manager_id INT 10 √ null

foreign key for borrowers.borrowernumber for the librarian managing the restriction
messages Table borrowernumber INT 10 null

foreign key linking this message to the borrowers table
uploaded_files Table filesize INT 10 √ null
subscription Table location VARCHAR 80 √

default shelving location (items.location)
club_enrollment_fields Table club_template_enrollment_field_id INT 10 null
branch_item_rules Table holdallowed BIT 0 √ null

the number of holds allowed
illcomments Table illrequest_id BIGINT UNSIGNED 20 null
import_records Table status enum('error', 'staged', 'imported', 'reverted', 'items_reverted', 'ignored') 14 staged
class_sources Table description LONGTEXT 2147483647 √ null
branch_transfer_limits Table fromBranch VARCHAR 10 null
issues Table notedate DATETIME 19 √ null

datetime of issue note (yyyy-mm-dd hh:mm::ss)
deletedborrowers Table B_state MEDIUMTEXT 16777215 √ null

the state for your patron/borrower's alternate address
oauth_access_tokens Table expires INT 10 null
deletedborrowers Table dateexpiry DATE 10 √ null

date the patron/borrower's card is set to expire (YYYY-MM-DD)
borrower_attribute_types Table opac_display BIT 0 0

defines if this field is visible to patrons on their account in the OPAC (1 for yes, 0 for no)
items Table replacementpricedate DATE 10 √ null

the date the price is effective from (MARC21 952$w)
club_template_fields Table club_template_id INT 10 null
suggestions Table currency VARCHAR 10 √ null

suggested currency for the suggested price
deletedborrowers Table password VARCHAR 60 √ null

patron/borrower's encrypted password
aqorders Table unitprice_tax_included DECIMAL 28 √ null

the unit price including tax (on receiving)
action_logs Table action_id INT 10 √ null

unique identifier for each action
default_branch_circ_rules Table holdallowed BIT 0 √ null
subscription_numberpatterns Table setto1 INT 10 √ null
itemtypes Table processfee DECIMAL 28 √ null

default text be recorded in the column note when the processing fee is applied
statistics Table location VARCHAR 80 √ null

authorized value for the shelving location for this item (MARC21 952$c)
aqorders_transfers Table timestamp TIMESTAMP 19 current_timestamp()
items Table withdrawn BIT 0 0

authorized value defining this item as withdrawn (MARC21 952$0)
deletedborrowers Table B_address2 MEDIUMTEXT 16777215 √ null

the second address line for your patron/borrower's alternate address
currency Table rate FLOAT 15 √ null
import_records Table z3950random VARCHAR 40 √ null
z3950servers Table id INT 10 √ null

unique identifier assigned by Koha
deletedborrowers Table overdrive_auth_token MEDIUMTEXT 16777215 √ null

persist OverDrive auth token
virtualshelves Table shelfname VARCHAR 255 √ null

name of the list
tags_all Table biblionumber INT 10 null

the bib record this tag was left on (biblio.biblionumber)
marc_modification_template_actions Table template_id INT 10 null
statistics Table itemnumber INT 10 √ null

foreign key from the items table, links transaction to a specific item
biblio Table timestamp TIMESTAMP 19 current_timestamp()

date and time this record was last touched
subscriptionroutinglist Table ranking INT 10 √ null

where the patron stands in line to receive the serial
borrower_modifications Table categorycode VARCHAR 10 √ null
message_queue Table metadata MEDIUMTEXT 16777215 √ null
import_biblios Table has_items BIT 0 0
serialitems Table serialid INT 10 null
deletedborrowers Table altcontactaddress2 VARCHAR 255 √ null

the second address line for the alternate contact for the patron/borrower
aqorders Table ordernumber INT 10 √ null

primary key and unique identifier assigned by Koha to each line
tmp_holdsqueue Table title LONGTEXT 2147483647 √ null
reserves Table lowestPriority BIT 0 0
currency Table p_sep_by_space BIT 0 √ 0
subscription Table locale VARCHAR 80 √ null

for foreign language subscriptions to display months, seasons, etc correctly
old_issues Table issue_id INT 10 null

primary key for issues table
default_branch_circ_rules Table returnbranch VARCHAR 15 √ null
reserves Table branchcode VARCHAR 10 √ null

foreign key from the branches table defining which branch the patron wishes to pick this hold up at
creator_images Table imagefile MEDIUMBLOB 16777215 √ null
virtualshelves Table created_on DATETIME 19 null

creation time
deleteditems Table cn_source VARCHAR 10 √ null

classification source used on this item (MARC21 952$2)
items_search_fields Table tagfield CHAR 3 null
issuingrules Table auto_renew BIT 0 √ 0

automatic renewal
edifact_ean Table branchcode VARCHAR 10 √ null
suggestions Table copyrightdate SMALLINT 5 √ null

copyright date of the suggested item
biblioitems Table lccn VARCHAR 25 √ null

library of congress control number (MARC21 010$a)
borrower_modifications Table surname LONGTEXT 2147483647 √ null
message_transports Table message_attribute_id INT 10 null
deletedbiblioitems Table biblioitemnumber INT 10 0

primary key, unique identifier assigned by Koha
subscriptionhistory Table opacnote VARCHAR 150
uploaded_files Table dir MEDIUMTEXT 16777215 null
issues Table auto_renew_error VARCHAR 32 √ null

automatic renewal error
issues Table returndate DATETIME 19 √ null

date the item was returned, will be NULL until moved to old_issues
user_permissions Table borrowernumber INT 10 0
issuingrules Table holds_per_day SMALLINT 5 √ null

How many holds a patron can have on a day
currency Table active BIT 0 √ null
branches Table branchemail LONGTEXT 2147483647 √ null

the primary email address for your library or branch
aqcontacts Table email VARCHAR 100 √ null

contact's email address
suggestions Table acceptedby INT 10 √ null

borrowernumber for the librarian who accepted the suggestion, foreign key linking to the borrowers table
housebound_profile Table fav_subjects MEDIUMTEXT 16777215 √ null

Free text describing preferred subjects.
language_subtag_registry Table type VARCHAR 25 √ null

language-script-region-variant-extension-privateuse
borrower_message_preferences Table message_attribute_id INT 10 √ 0
import_biblios Table import_record_id INT 10 null
deletedborrowers Table lang VARCHAR 25 default

lang to use to send notices to this patron
club_templates Table branchcode VARCHAR 10 √ null
export_format Table subfield_separator VARCHAR 2 √ null
borrowers Table altcontactaddress2 VARCHAR 255 √ null

the second address line for the alternate contact for the patron/borrower
letter Table lang VARCHAR 25 default

lang of the notice
search_marc_map Table marc_field VARCHAR 255 null

the MARC specifier for this field
deletedborrowers Table branchcode VARCHAR 10

foreign key from the branches table, includes the code of the patron/borrower's home branch
aqcontacts Table acqprimary BIT 0 0

is this the primary contact for acquisitions messages
issuingrules Table cap_fine_to_replacement_price BIT 0 0

cap the fine based on item's replacement price
class_sort_rules Table description LONGTEXT 2147483647 √ null
accountlines Table timestamp TIMESTAMP 19 current_timestamp()
export_format Table encoding VARCHAR 255 utf8
categories Table BlockExpiredPatronOpacActions BIT 0 -1

wheither or not a patron of this category can renew books or place holds once their card has expired. 0 means they can, 1 means they cannot, -1 means use syspref BlockExpiredPatronOpacActions
saved_sql Table public BIT 0 0
items Table itemlost_on DATETIME 19 √ null

the date and time an item was last marked as lost, NULL if not lost
courses Table course_number VARCHAR 255 √ null

the "course number" assigned to a course
z3950servers Table recordtype enum('authority', 'biblio') 10 biblio

server contains bibliographic or authority records
marc_tag_structure Table tagfield VARCHAR 3
subscription Table branchcode VARCHAR 10

default branches (items.homebranch)
deletedbiblio Table frameworkcode VARCHAR 4

foriegn key from the biblio_framework table to identify which framework was used in cataloging this record
branchtransfers Table datesent DATETIME 19 √ null

the date the transfer was initialized
borrowers Table initials MEDIUMTEXT 16777215 √ null

initials for your patron/borrower
accountlines Table accounttype VARCHAR 5 √ null
aqbudgetperiods Table budget_period_description LONGTEXT 2147483647 √ null

description assigned to this budget
aqcontacts Table id INT 10 √ null

primary key and unique number assigned by Koha
ratings Table rating_value BIT 0 null

the rating, from 1 to 5
biblioitems Table biblionumber INT 10 0

foreign key linking this table to the biblio table
api_keys Table active BIT 0 1
import_batches Table overlay_action enum('replace', 'create_new', 'use_template', 'ignore') 12 create_new

how to handle duplicate records
transport_cost Table frombranch VARCHAR 10 null
permissions Table module_bit INT 10 0
saved_sql Table report_name VARCHAR 255

the name of this report
auth_subfield_structure Table kohafield VARCHAR 45 √
aqorders Table quantity SMALLINT 5 √ null

the quantity ordered
subscription_numberpatterns Table description MEDIUMTEXT 16777215 null
language_subtag_registry Table subtag VARCHAR 25 √ null
serial Table serialseq_y VARCHAR 100 √ null

second part of issue information
oai_sets_mappings Table marcfield CHAR 3 null
aqorders Table tax_value_on_ordering DECIMAL 28 √ null

the tax value on ordering for this line item
club_template_fields Table name TEXT 65535 null
items Table barcode VARCHAR 20 √ null

item barcode (MARC21 952$p)
reserves Table borrowernumber INT 10 0

foreign key from the borrowers table defining which patron this hold is for
uploaded_files Table filename MEDIUMTEXT 16777215 null
export_format Table description LONGTEXT 2147483647 null
course_items Table enabled enum('yes', 'no') 4 no

if at least one enabled course has this item on reseve, this field will be 'yes', otherwise it will be 'no'
pending_offline_operations Table barcode VARCHAR 20 √ null
need_merge_authorities Table authid_new BIGINT 19 √ null

reference to optional new authority record
need_merge_authorities Table reportxml MEDIUMTEXT 16777215 √ null

xml showing original reporting tag
aqbasket Table branch VARCHAR 10 √ null

basket branch
old_reserves Table lowestPriority BIT 0 0

has this hold been pinned to the lowest priority in the holds queue (1 for yes, 0 for no)
deleteditems Table reserves SMALLINT 5 √ null

number of times this item has been placed on hold/reserved
import_record_matches Table import_record_id INT 10 null

the id given to the imported bib record (import_records.import_record_id)
aqbooksellers Table invoiceprice VARCHAR 10 √ null

currency code for invoice prices
items_search_fields Table name VARCHAR 255 null
quotes Table timestamp DATETIME 19 null

date and time that the quote last appeared in the opac
issuingrules Table restrictedtype BIT 0 √ null

not used? always NULL
borrower_files Table borrowernumber INT 10 null

foreign key linking to the patron via the borrowernumber
subscription_numberpatterns Table displayorder INT 10 √ null
patron_consent Table given_on DATETIME 19 √ null
reviews Table biblionumber INT 10 √ null

foreign key from the biblio table defining which bibliographic record this comment is for
language_script_bidi Table bidi VARCHAR 3 √ null

rtl ltr
deleteditems Table new_status VARCHAR 32 √ null

'new' value, you can put whatever free-text information. This field is intented to be managed by the automatic_item_modification_by_age cronjob.
message_transports Table letter_code VARCHAR 20
old_reserves Table borrowernumber INT 10 √ null

foreign key from the borrowers table defining which patron this hold is for
biblio Table seriestitle LONGTEXT 2147483647 √ null
subscription Table startdate DATE 10 √ null

start date for this subscription
export_format Table used_for VARCHAR 255 √ export_records
marc_tag_structure Table frameworkcode VARCHAR 4
library_groups Table title VARCHAR 100 √ null
permissions Table code VARCHAR 64
categories Table finetype VARCHAR 30 √ null

unused in Koha
borrowers Table address2 MEDIUMTEXT 16777215 √ null

the second address line for your patron/borrower's primary address
z3950servers Table encoding MEDIUMTEXT 16777215 √ null

characters encoding provided by this target
borrower_debarments Table type enum('SUSPENSION', 'OVERDUES', 'MANUAL', 'DISCHARGE') 11 MANUAL

type of restriction
reserves Table cancellationdate DATE 10 √ null

the date this hold was cancelled
import_biblios Table isbn VARCHAR 30 √ null
branches Table branchname LONGTEXT 2147483647 null

the name of your library or branch
reserves Table reservenotes LONGTEXT 2147483647 √ null

notes related to this hold
discharges Table needed TIMESTAMP 19 √ null
opac_news Table borrowernumber INT 10 √ null

The user who created the news article
deleteditems Table itemnotes LONGTEXT 2147483647 √ null

public notes on this item (MARC21 952$x)
borrowers Table debarred DATE 10 √ null

until this date the patron can only check-in (no loans, no holds, etc.), is a fine based on days instead of money (YYYY-MM-DD)
illrequests Table price_paid VARCHAR 20 √ null
uploaded_files Table hashvalue CHAR 40 null
deletedbiblio Table datecreated DATE 10 null

the date this record was added to Koha
matchpoints Table matchpoint_id INT 10 √ null
borrower_modifications Table altcontactaddress3 VARCHAR 255 √ null
biblioitems Table collectionvolume LONGTEXT 2147483647 √ null
cities Table city_zipcode VARCHAR 20 √ null

zip or postal code
auth_header Table marc BLOB 65535 √ null
creator_templates Table page_width FLOAT 12 0
illcomments Table illcomment_id INT 10 √ null

Unique ID of the comment
aqorders Table order_vendornote LONGTEXT 2147483647 √ null

notes related to this order line, made for vendor
matchchecks Table matchcheck_id INT 10 √ null
uploaded_files Table owner INT 10 √ null
message_queue Table message_id INT 10 √ null
auth_header Table authid BIGINT UNSIGNED 20 √ null
vendor_edi_accounts Table description MEDIUMTEXT 16777215 null
systempreferences Table value MEDIUMTEXT 16777215 √ null

system preference values
aqorders Table sort2 VARCHAR 80 √ null

second statistical field
reviews Table borrowernumber INT 10 √ null

foreign key from the borrowers table defining which patron left this comment
aqbasketgroups Table closed BIT 0 √ null
borrowers Table B_address VARCHAR 100 √ null

the first address line for your patron/borrower's alternate address
categories Table bulk BIT 0 √ null
old_reserves Table itemtype VARCHAR 10 √ null

If record level hold, the optional itemtype of the item the patron is requesting
zebraqueue Table id INT 10 √ null
matchpoints Table score INT 10 0
subscription Table irregularity MEDIUMTEXT 16777215 √ null

any irregularities in the subscription
borrowers Table contacttitle MEDIUMTEXT 16777215 √ null

used for children to include title (Mr., Mrs., etc) of guarantor
biblioitems Table itemtype VARCHAR 10 √ null

biblio level item type (MARC21 942$c)
borrower_message_preferences Table categorycode VARCHAR 10 √ null
club_template_enrollment_fields Table club_template_id INT 10 null
illrequestattributes Table value MEDIUMTEXT 16777215 null
tmp_holdsqueue Table biblionumber INT 10 √ null
borrowers Table borrowernotes LONGTEXT 2147483647 √ null

a note on the patron/borrower's account that is only visible in the staff client
items Table onloan DATE 10 √ null

defines if item is checked out (NULL for not checked out, and due date for checked out)
marc_tag_structure Table repeatable TINYINT 3 0
aqorders Table sort1_authcat VARCHAR 10 √ null
issuingrules Table chargeperiod INT 10 √ null

how often the fine amount is charged
linktracker Table biblionumber INT 10 √ null

biblionumber of the record the link is from
accountlines Table borrowernumber INT 10 √ null
auth_subfield_structure Table tab BIT 0 √ null
aqbooksellers Table id INT 10 √ null

primary key and unique identifier assigned by Koha
borrower_attribute_types Table repeatable BIT 0 0

defines whether one patron/borrower can have multiple values for this custom field (1 for yes, 0 for no)
biblioitems Table collectionissn MEDIUMTEXT 16777215 √ null
categories Table enrolmentfee DECIMAL 28 √ null

enrollment fee for the patron
virtualshelfcontents Table dateadded TIMESTAMP 19 current_timestamp()

date and time this bib record was added to the list
vendor_edi_accounts Table vendor_id INT 10 √ null
aqbasket Table is_standing BIT 0 0

orders in this basket are standing
aqbudgets Table budget_encumb DECIMAL 28 √ 0.000000

budget warning at percentage
aqbudgetperiods Table budget_period_enddate DATE 10 null

date when the budget ends
items Table replacementprice DECIMAL 8 √ null

cost the library charges to replace the item if it has been marked lost (MARC21 952$v)
biblio_metadata Table marcflavour VARCHAR 16 null
auth_types Table auth_tag_to_report VARCHAR 3
biblioitems Table volumedate DATE 10 √ null
reports_dictionary Table report_area VARCHAR 6 √ null

Koha module this definition is for Circulation, Catalog, Patrons, Acquistions, Accounts)
items_last_borrower Table borrowernumber INT 10 null
matchchecks Table target_matchpoint_id INT 10 null
article_requests Table created_on TIMESTAMP 19 current_timestamp()
marc_subfield_structure Table seealso VARCHAR 1100 √ null
library_groups Table parent_id INT 10 √ null
overduerules Table debarred2 VARCHAR 1 √ 0

is the patron restricted when the second notice is sent (1 for yes, 0 for no)
browser Table classification VARCHAR 20 null
tmp_holdsqueue Table holdingbranch VARCHAR 10 √ null
import_auths Table authorized_heading VARCHAR 128 √ null
issuingrules Table maxissueqty INT 10 √ null

total number of checkouts allowed
aqbudgetperiods Table budget_period_locked BIT 0 √ null

whether this budget is locked or not (1 for yes, 0 for no)
aqorders Table rrp_tax_included DECIMAL 28 √ null

the replacement cost including tax
import_records Table marcxml LONGTEXT 2147483647 null
deletedborrowers Table contacttitle MEDIUMTEXT 16777215 √ null

used for children to include title (Mr., Mrs., etc) of guarantor
reports_dictionary Table date_modified DATETIME 19 √ null

date and time this definition was last modified
branches Table branchprinter VARCHAR 100 √ null

unused in Koha
stockrotationstages Table position INT 10 null
creator_batches Table batch_id INT 10 1
import_record_matches Table score INT 10 0

the match score
course_items Table ccode VARCHAR 80 √ null

new category code for the item to have while on reserve (optional)
matcher_matchpoints Table matchpoint_id INT 10 null
issuingrules Table reservesallowed SMALLINT 5 0

how many holds are allowed
borrower_modifications Table cardnumber VARCHAR 32 √ null
course_reserves Table cr_id INT 10 √ null
items Table itemnotes LONGTEXT 2147483647 √ null

public notes on this item (MARC21 952$x)
branch_transfer_limits Table limitId INT 10 √ null
items Table biblioitemnumber INT 10 0

foreign key from the biblioitems table to link to item to additional information
borrowers Table lastseen DATETIME 19 √ null

last time a patron has been seen (connected at the OPAC or staff interface)
subscription Table cost INT 10 √ 0
deletedbiblio_metadata Table biblionumber INT 10 null
oai_sets Table name VARCHAR 80 null
import_auths Table import_record_id INT 10 null
marc_subfield_structure Table isurl BIT 0 √ null
vendor_edi_accounts Table transport VARCHAR 6 √ FTP
aqbasketusers Table basketno INT 10 null
borrowers Table relationship VARCHAR 100 √ null

used for children to include the relationship to their guarantor
localization Table entity VARCHAR 16 null
aqorders_transfers Table ordernumber_to INT 10 √ null
aqorders_items Table ordernumber INT 10 null

the order this item is attached to (aqorders.ordernumber)
import_records Table upload_timestamp TIMESTAMP 19 current_timestamp()
issuingrules Table lengthunit VARCHAR 10 √ days

unit of checkout length (days, hours)
branches Table branchcountry MEDIUMTEXT 16777215 √ null

the county for your library or branch
borrower_message_transport_preferences Table message_transport_type VARCHAR 20 0
columns_settings Table is_hidden INT 10 0
branches Table branchaddress1 LONGTEXT 2147483647 √ null

the first address line of for your library or branch
import_biblios Table control_number VARCHAR 25 √ null
article_requests Table updated_on TIMESTAMP 19 √ null
borrower_modifications Table emailpro MEDIUMTEXT 16777215 √ null
suggestions Table publishercode VARCHAR 255 √ null

publisher of the suggested item
plugin_data Table plugin_key VARCHAR 255 null
aqinvoices Table billingdate DATE 10 √ null
tags_all Table term VARCHAR 255 null

the tag
tmp_holdsqueue Table borrowernumber INT 10 null
deletedborrowers Table lastseen DATETIME 19 √ null

last time a patron has been seen (connected at the OPAC or staff interface)
language_descriptions Table type VARCHAR 25 √ null
deletedbiblioitems Table collectiontitle LONGTEXT 2147483647 √ null
aqorders Table basketno INT 10 √ null

links this order line to a specific basket (aqbasket.basketno)
subscription_numberpatterns Table label VARCHAR 255 null
borrower_attributes Table attribute VARCHAR 255 √ null

custom patron field value
opac_news Table branchcode VARCHAR 10 √ null

branch code users to create branch specific news, NULL is every branch.
borrower_modifications Table streettype VARCHAR 50 √ null
borrowers Table overdrive_auth_token MEDIUMTEXT 16777215 √ null

persist OverDrive auth token
branchtransfers Table frombranch VARCHAR 10

the branch the transfer is coming from
subscription_numberpatterns Table every2 INT 10 √ null
branches_overdrive Table authname VARCHAR 255 null
branches Table branchfax LONGTEXT 2147483647 √ null

the fax number for your library or branch
search_field Table id INT 10 √ null
matcher_matchpoints Table matcher_id INT 10 null
deletedborrowers Table flags INT 10 √ null

will include a number associated with the staff member's permissions
reserves Table notificationdate DATE 10 √ null

currently unused
suggestions Table rejectedby INT 10 √ null

borrowernumber for the librarian who rejected the suggestion, foreign key linking to the borrowers table
marc_modification_template_actions Table description MEDIUMTEXT 16777215 √ null
import_biblios Table author VARCHAR 80 √ null
suggestions Table suggestionid INT 10 √ null

unique identifier assigned automatically by Koha
ratings Table borrowernumber INT 10 null

the borrowernumber of the patron who left this rating (borrowers.borrowernumber)
branch_transfer_limits Table itemtype VARCHAR 10 √ null
aqorders Table order_internalnote LONGTEXT 2147483647 √ null

notes related to this order line, made for staff
marc_subfield_structure Table liblibrarian VARCHAR 255
creator_layouts Table layout_id INT 10 √ null
course_items Table itype VARCHAR 10 √ null

new itemtype for the item to have while on reserve (optional)
saved_reports Table date_run DATETIME 19 √ null
borrowers Table dateofbirth DATE 10 √ null

the patron/borrower's date of birth (YYYY-MM-DD)
account_offset_types Table type VARCHAR 16 null

The type of offset this is
aqcontract Table contractnumber INT 10 √ null
borrower_modifications Table state MEDIUMTEXT 16777215 √ null
plugin_data Table plugin_class VARCHAR 255 null
marc_modification_template_actions Table conditional_subfield VARCHAR 1 √ null
social_data Table num_videos INT 10 √ null
deletedbiblio_metadata Table format VARCHAR 16 null
edifact_ean Table ean VARCHAR 15 null
deleteditems Table damaged BIT 0 0

authorized value defining this item as damaged (MARC21 952$4)
additional_field_values Table id INT 10 √ null

primary key identifier
deleteditems Table price DECIMAL 8 √ null

purchase price (MARC21 952$g)
edifact_messages Table vendor_id INT 10 √ null
letter Table is_html BIT 0 √ 0

does this notice or slip use HTML (1 for yes, 0 for no)
branches Table issuing TINYINT 3 √ null

unused in Koha
issues Table onsite_checkout INT 10 0

in house use flag
marc_modification_template_actions Table conditional_field VARCHAR 3 √ null
search_history Table total INT 10 null

the total of results found
subscription Table callnumber MEDIUMTEXT 16777215 √ null

default call number
aqbooksellers Table address2 LONGTEXT 2147483647 √ null

second line of vendor physical address
columns_settings Table cannot_be_toggled INT 10 0
issuingrules Table reservecharge DECIMAL 28 √ null
branches Table branchnotes LONGTEXT 2147483647 √ null

notes related to your library or branch
borrower_attribute_types Table category_code VARCHAR 10 √ null
creator_batches Table description MEDIUMTEXT 16777215 √ null
club_template_enrollment_fields Table name TEXT 65535 null
special_holidays Table id INT 10 √ null

unique identifier assigned by Koha
biblioimages Table mimetype VARCHAR 15 null

image type
subscription Table innerloop1 INT 10 √ 0
deleteditems Table paidfor LONGTEXT 2147483647 √ null
borrower_message_preferences Table borrowernumber INT 10 √ null
action_logs Table interface VARCHAR 30 √ null

the context this action was taken in
vendor_edi_accounts Table username VARCHAR 40 √ null
edifact_messages Table filename MEDIUMTEXT 16777215 √ null
creator_templates Table template_id INT 10 √ null
borrower_modifications Table relationship VARCHAR 100 √ null
messages Table branchcode VARCHAR 10 √ null

foreign key linking the message to the branches table
clubs Table date_updated TIMESTAMP 19 √ null
tags_all Table borrowernumber INT 10 √ null

the patron who added the tag (borrowers.borrowernumber)
linktracker Table borrowernumber INT 10 √ null

borrowernumber who clicked the link
auth_subfield_structure Table hidden TINYINT 3 0
patronimage Table imagefile MEDIUMBLOB 16777215 null

the image
currency Table isocode VARCHAR 5 √ null
aqorders Table sort2_authcat VARCHAR 10 √ null
aqinvoices Table shipmentdate DATE 10 √ null
club_template_enrollment_fields Table id INT 10 √ null
creator_images Table image_name CHAR 20 DEFAULT
serial Table planneddate DATE 10 √ null

date expected
vendor_edi_accounts Table download_directory MEDIUMTEXT 16777215 √ null
subscription_numberpatterns Table every1 INT 10 √ null
branchtransfers Table branchtransfer_id INT 10 √ null

primary key
marc_modification_templates Table template_id INT 10 √ null
repeatable_holidays Table day SMALLINT 5 √ null

day of the month this closing is on
virtualshelfcontents Table flags INT 10 √ null
subscription Table aqbooksellerid INT 10 √ 0

foreign key for aqbooksellers.id to link to the vendor
circulation_rules Table rule_name VARCHAR 32 null
creator_batches Table borrower_number INT 10 √ null
aqinvoice_adjustments Table invoiceid INT 10 null

foreign key to link an adjustment to an invoice
course_reserves Table staff_note LONGTEXT 2147483647 √ null

staff only note
discharges Table borrower INT 10 √ null
accountlines Table itemnumber INT 10 √ null
borrowers Table password VARCHAR 60 √ null

patron/borrower's Bcrypt encrypted password
account_offsets Table credit_id INT 10 √ null

The id of the accountline the increased the patron's balance
authorised_value_categories Table category_name VARCHAR 32
categories Table reservefee DECIMAL 28 √ null

cost to place holds
printers_profile Table creep_horz FLOAT 12 0
borrower_modifications Table altcontactstate MEDIUMTEXT 16777215 √ null
deletedbiblioitems Table isbn LONGTEXT 2147483647 √ null

ISBN (MARC21 020$a)
import_items Table branchcode VARCHAR 10 √ null
localization Table code VARCHAR 64 null
categories Table description LONGTEXT 2147483647 √ null

description of the patron category
deletedborrowers Table initials MEDIUMTEXT 16777215 √ null

initials for your patron/borrower
illrequestattributes Table type VARCHAR 200 null
library_groups Table branchcode VARCHAR 10 √ null

The branchcode of a branch belonging to the parent group
biblioitems Table editionstatement MEDIUMTEXT 16777215 √ null
deletedborrowers Table borrowernumber INT 10 0

primary key, Koha assigned ID number for patrons/borrowers
tags_approval Table approved INT 10 0

whether the tag is approved or not (1=yes, 0=pending, -1=rejected)
vendor_edi_accounts Table auto_orders BIT 0 0
issuingrules Table finedays INT 10 √ null

suspension in days
aqorders Table parent_ordernumber INT 10 √ null

ordernumber of parent order line, or same as ordernumber if no parent
tags_index Table weight INT 10 1

the number of times this term was used on this bib record
subscription Table distributedto MEDIUMTEXT 16777215 √ null
subscriptionhistory Table missinglist LONGTEXT 2147483647 null
illrequests Table completed DATE 10 √ null
accountlines Table amount DECIMAL 28 √ null
marc_modification_template_actions Table to_field VARCHAR 3 √ null
old_reserves Table reserve_id INT 10 null

primary key
misc_files Table file_description VARCHAR 255 √ null

description given to the file
issuingrules Table firstremind INT 10 √ null

fine grace period
items Table ccode VARCHAR 80 √ null

authorized value for the collection code associated with this item (MARC21 952$8)
items Table datelastborrowed DATE 10 √ null

the date the item was last checked out/issued
items Table timestamp TIMESTAMP 19 current_timestamp()

date and time this item was last altered
branches Table branchreturnpath LONGTEXT 2147483647 √ null

the email to be used as Return-Path
accountlines Table accountlines_id INT 10 √ null
biblio_framework Table frameworktext VARCHAR 255

the description/name given to the framework
aqorders Table sort1 VARCHAR 80 √ null

statistical field
reviews Table reviewid INT 10 √ null

unique identifier for this comment
aqbasketgroups Table freedeliveryplace MEDIUMTEXT 16777215 √ null
printers_profile Table paper_bin VARCHAR 20 Bypass
account_offsets Table created_on TIMESTAMP 19 current_timestamp()
club_template_fields Table description MEDIUMTEXT 16777215 √ null
subscription Table periodicity INT 10 √ null

frequency type links to subscription_frequencies.id
creator_templates Table top_margin FLOAT 12 0
letter Table module VARCHAR 20

Koha module that triggers this notice or slip
deleteditems Table itemcallnumber VARCHAR 255 √ null

call number for this item (MARC21 952$o)
hold_fill_targets Table borrowernumber INT 10 null
article_requests Table biblionumber INT 10 null
borrowers Table opacnote LONGTEXT 2147483647 √ null

a note on the patron/borrower's account that is visible in the OPAC and staff client
statistics Table datetime DATETIME 19 √ null

date and time of the transaction
club_enrollments Table date_enrolled TIMESTAMP 19 current_timestamp()
stockrotationrotas Table cyclical BIT 0 0

Should items on this rota keep cycling?
collections Table colTitle VARCHAR 100
oai_sets_mappings Table marcvalue VARCHAR 80 null
oai_sets Table spec VARCHAR 80 null
deletedborrowers Table cardnumber VARCHAR 32 √ null

unique key, library assigned ID number for patrons/borrowers
import_items Table itemnumber INT 10 √ null
import_batches Table upload_timestamp TIMESTAMP 19 current_timestamp()

date and time the file was uploaded
borrowers Table B_zipcode VARCHAR 25 √ null

the zip or postal code for your patron/borrower's alternate address
edifact_ean Table id_code_qualifier VARCHAR 3 14
accountlines Table note MEDIUMTEXT 16777215 √ null
message_transports Table branchcode VARCHAR 10
reserves Table reminderdate DATE 10 √ null

currently unused
creator_templates Table top_text_margin FLOAT 12 0
borrowers Table sort2 VARCHAR 80 √ null

a field that can be used for any information unique to the library
auth_header Table datecreated DATE 10 √ null
deletedbiblio Table biblionumber INT 10 √ null

unique identifier assigned to each bibliographic record
message_transports Table is_digest BIT 0 0
language_descriptions Table lang VARCHAR 25 √ null
hold_fill_targets Table source_branchcode VARCHAR 10 √ null
deleteditems Table damaged_on DATETIME 19 √ null

the date and time an item was last marked as damaged, NULL if not damaged
aqbooksellers Table discount FLOAT 6 √ null

discount offered on all items ordered from this vendor
housebound_profile Table frequency MEDIUMTEXT 16777215 null

The Authorised_Value definining the pattern for delivery.
deletedborrowers Table altcontactcountry MEDIUMTEXT 16777215 √ null

the country for the alternate contact for the patron/borrower
subscription_numberpatterns Table label1 VARCHAR 255 √ null
audio_alerts Table selector VARCHAR 255 null
creator_templates Table row_gap FLOAT 12 0
special_holidays Table day SMALLINT 5 0

day of the month this closing is on
import_records Table branchcode VARCHAR 10 √ null
reserves Table itemtype VARCHAR 10 √ null

If record level hold, the optional itemtype of the item the patron is requesting
borrower_attributes Table borrowernumber INT 10 null

foreign key from the borrowers table, defines which patron/borrower has this attribute
messages Table message_type VARCHAR 1 null

whether the message is for the librarians (L) or the patron (B)
letter Table message_transport_type VARCHAR 20 email

transport type for this notice
deleteditems Table permanent_location VARCHAR 80 √ null

linked to the CART and PROC temporary locations feature, stores the permanent shelving location
aqbudgets Table budget_branchcode VARCHAR 10 √ null

branch that this fund belongs to (branches.branchcode)
borrowers Table phonepro MEDIUMTEXT 16777215 √ null

the secondary phone number for your patron/borrower's primary address
saved_sql Table last_modified DATETIME 19 √ null

the date this report was last edited
subscriptionhistory Table biblionumber INT 10 0
localization Table lang VARCHAR 25 null

could be a foreign key
misc_files Table file_id INT 10 √ null

unique id for the file record
matchpoint_component_norms Table matchpoint_component_id INT 10 null
suggestions Table reason MEDIUMTEXT 16777215 √ null

reason for accepting or rejecting the suggestion
search_marc_map Table index_name enum('biblios', 'authorities') 11 null

what storage index this map is for
auth_tag_structure Table authorised_value VARCHAR 10 √ null
language_rfc4646_to_iso639 Table iso639_2_code VARCHAR 25 √ null
default_circ_rules Table maxonsiteissueqty INT 10 √ null
borrower_modifications Table contactnote VARCHAR 255 √ null
import_batches Table import_batch_id INT 10 √ null

unique identifier and primary key
saved_sql Table cache_expiry INT 10 300
subscription Table lastvalue3 INT 10 √ null
deleteditems Table withdrawn_on DATETIME 19 √ null

the date and time an item was last marked as withdrawn, NULL if not withdrawn
borrowers Table surname LONGTEXT 2147483647 √ null

patron/borrower's last name (surname)
issuingrules Table branchcode VARCHAR 10

the branch this rule is for (branches.branchcode)
language_script_bidi Table rfc4646_subtag VARCHAR 25 √ null

script subtag, Arab, Hebr, etc.
auth_subfield_structure Table tagsubfield VARCHAR 1
deletedborrowers Table altcontactphone VARCHAR 50 √ null

the phone number for the alternate contact for the patron/borrower
item_circulation_alert_preferences Table categorycode VARCHAR 10 null
deletedborrowers Table guarantorid INT 10 √ null

borrowernumber used for children or professionals to link them to guarantors or organizations
course_instructors Table borrowernumber INT 10 null

foreign key to link to borrowers.borrowernumber for instructor information
reports_dictionary Table id INT 10 √ null

unique identifier assigned by Koha
creator_templates Table cols INT 10 0
marc_tag_structure Table liblibrarian VARCHAR 255
patron_lists Table name VARCHAR 255 null
serial Table publisheddatetext VARCHAR 100 √ null

date published (descriptive)
import_items Table import_record_id INT 10 null
branch_item_rules Table branchcode VARCHAR 10 null

the branch this rule is for (branches.branchcode)
alert Table alertid INT 10 √ null
aqbasket Table basketname VARCHAR 50 √ null

name given to the basket at creation
edifact_ean Table ee_id INT 10 √ null
z3950servers Table checked SMALLINT 5 √ null

whether this target is checked by default (1 for yes, 0 for no)
borrowers Table dateenrolled DATE 10 √ null

date the patron was added to Koha (YYYY-MM-DD)
pending_offline_operations Table cardnumber VARCHAR 32 √ null
tmp_holdsqueue Table itemcallnumber VARCHAR 255 √ null
statistics Table borrowernumber INT 10 √ null

foreign key from the borrowers table, links transaction to a specific borrower
biblioitems Table illus VARCHAR 255 √ null

illustrations (MARC21 300$b)
columns_settings Table columnname VARCHAR 255 null
suggestions Table budgetid INT 10 √ null

foreign key linking the suggested budget to the aqbudgets table
need_merge_authorities Table done TINYINT 3 √ 0
courses Table course_id INT 10 √ null

unique id for the course
social_data Table num_critics INT 10 √ null
subscription Table opacdisplaycount VARCHAR 10 √ null

how many issues to show to the public
additional_fields Table tablename VARCHAR 255

tablename of the new field
deletedborrowers Table date_renewed DATE 10 √ null

date the patron/borrower's card was last renewed
oai_sets_descriptions Table set_id INT 10 null
borrowers Table altcontactfirstname VARCHAR 255 √ null

first name of alternate contact for the patron/borrower
subscription_numberpatterns Table whenmorethan3 INT 10 √ null
marc_subfield_structure Table repeatable TINYINT 3 0
aqorders Table ecost DECIMAL 13 √ null

the replacement cost for this line item
subscription Table librarian VARCHAR 100 √

the librarian's username from borrowers.userid
suggestions Table quantity SMALLINT 5 √ null

suggested quantity to be purchased
club_enrollments Table date_canceled TIMESTAMP 19 √ null
suggestions Table biblionumber INT 10 √ null

foreign key linking the suggestion to the biblio table after the suggestion has been ordered
deleteditems Table stack BIT 0 √ null
branches Table branchphone LONGTEXT 2147483647 √ null

the primary phone for your library or branch
collections Table colBranchcode VARCHAR 10 √ null

'branchcode for branch where item should be held.'
deletedbiblio Table abstract LONGTEXT 2147483647 √ null

summary from the MARC record (520$a in MARC21)
biblioitems Table volume LONGTEXT 2147483647 √ null
subscription Table closed INT 10 0

yes / no if the subscription is closed
aqbooksellers Table currency VARCHAR 10

unused in Koha
class_sources Table cn_source VARCHAR 10
deletedborrowers Table B_address VARCHAR 100 √ null

the first address line for your patron/borrower's alternate address
club_fields Table club_template_field_id INT 10 null
biblioitems Table cn_sort VARCHAR 255 √ null

normalized version of the call number used for sorting
illrequests Table status VARCHAR 50 √ null
suggestions Table isbn VARCHAR 30 √ null

isbn of the suggested item
export_format Table export_format_id INT 10 √ null
subscription Table itemtype VARCHAR 10 √ null
items Table withdrawn_on DATETIME 19 √ null

the date and time an item was last marked as withdrawn, NULL if not withdrawn
itemtypes Table itemtype VARCHAR 10

unique key, a code associated with the item type
marc_tag_structure Table ind2_defaultvalue VARCHAR 1
patron_lists Table owner INT 10 null
stockrotationrotas Table title VARCHAR 100 null
zebraqueue Table done INT 10 0
aqbasket Table billingplace VARCHAR 10 √ null

basket billing place
uploaded_files Table permanent TINYINT 3 √ null
deleteditems Table notforloan BIT 0 0

authorized value defining why this item is not for loan (MARC21 952$7)
default_circ_rules Table singleton enum('singleton') 10 singleton
old_issues Table renewals TINYINT 3 √ null

lists the number of times the item was renewed
marc_tag_structure Table libopac VARCHAR 255
biblioitems Table place VARCHAR 255 √ null

publication place (MARC21 260$a)
subscription Table numberlength INT 10 √ 0

subscription length in weeks (will not be filled in if monthlength or weeklength is set)
opac_news Table timestamp TIMESTAMP 19 current_timestamp()

pulibcation date and time
search_marc_to_field Table search_marc_map_id INT 10 null
issues Table noteseen INT 10 √ null

describes whether checkout note has been seen 1, not been seen 0 or doesn't exist null
issuingrules Table overduefinescap DECIMAL 28 √ null

the maximum amount of an overdue fine
fieldmapping Table id INT 10 √ null

unique identifier assigned by Koha
subscription Table previousitemtype VARCHAR 10 √ null
oauth_access_tokens Table access_token VARCHAR 191 null

generarated access token
creator_layouts Table format_string VARCHAR 210 barcode
item_circulation_alert_preferences Table id INT 10 √ null
borrowers Table smsalertnumber VARCHAR 50 √ null

the mobile phone number where the patron/borrower would like to receive notices (if SMS turned on)
marc_subfield_structure Table value_builder VARCHAR 80 √ null
aqbudgets Table budget_name VARCHAR 80 √ null

name assigned to the fund by the user
borrower_modifications Table title LONGTEXT 2147483647 √ null
branches Table geolocation VARCHAR 255 √ null

geolocation of your library
club_templates Table date_created TIMESTAMP 19 current_timestamp()
club_enrollment_fields Table id INT 10 √ null
borrower_modifications Table extended_attributes MEDIUMTEXT 16777215 √ null
auth_subfield_structure Table isurl BIT 0 √ null
course_reserves Table timestamp TIMESTAMP 19 current_timestamp()
deletedborrowers Table altcontactaddress3 VARCHAR 255 √ null

the city for the alternate contact for the patron/borrower
import_batches Table comments LONGTEXT 2147483647 √ null

any comments added when the file was uploaded
deletedborrowers Table streetnumber VARCHAR 10 √ null

the house number for your patron/borrower's primary address
club_enrollment_fields Table club_enrollment_id INT 10 null
search_history Table query_desc VARCHAR 255 null

the search that was performed
deleteditems Table location VARCHAR 80 √ null

authorized value for the shelving location for this item (MARC21 952$c)
columns_settings Table page VARCHAR 255 null
borrowers Table B_streettype VARCHAR 50 √ null

the street type (Rd., Blvd, etc) for your patron/borrower's alternate address
vendor_edi_accounts Table id INT 10 √ null
items Table biblionumber INT 10 0

foreign key from biblio table used to link this item to the right bib record
issuingrules Table hardduedate DATE 10 √ null

hard due date
biblioitems Table isbn LONGTEXT 2147483647 √ null

ISBN (MARC21 020$a)
itemtypes Table defaultreplacecost DECIMAL 28 √ null

default replacement cost
old_issues Table timestamp TIMESTAMP 19 current_timestamp()

the date and time this record was last touched
authorised_values Table lib VARCHAR 200 √ null

authorized value description as printed in the staff client
issues Table date_due DATETIME 19 √ null

datetime the item is due (yyyy-mm-dd hh:mm::ss)
courses Table term VARCHAR 80 √ null

the authorised value for the TERM
message_transports Table message_transport_type VARCHAR 20 null
library_groups Table created_on TIMESTAMP 19 √ null
borrower_modifications Table date_renewed DATE 10 √ null
default_branch_item_rules Table hold_fulfillment_policy enum('any', 'homebranch', 'holdingbranch') 13 any

limit trapping of holds by branchcode
collections_tracking Table collections_tracking_id INT 10 √ null
marc_modification_template_actions Table field_value VARCHAR 100 √ null
deletedborrowers Table contactname LONGTEXT 2147483647 √ null

used for children and profesionals to include surname or last name of guarantor or organization name
borrower_modifications Table othernames LONGTEXT 2147483647 √ null
club_enrollments Table id INT 10 √ null
deletedbiblio_metadata Table marcflavour VARCHAR 16 null
borrower_modifications Table contactname LONGTEXT 2147483647 √ null
borrower_attribute_types_branches Table bat_code VARCHAR 10 √ null
issuingrules Table onshelfholds BIT 0 0

allow holds for items that are on shelf
serial Table claims_count INT 10 √ 0

number of claims made related to this issue
suggestions Table title VARCHAR 255 √ null

title of the suggested item
serial Table serialseq VARCHAR 100

issue information (volume, number, etc)
subscription_numberpatterns Table whenmorethan2 INT 10 √ null
import_auths Table control_number VARCHAR 25 √ null
aqorders_items Table itemnumber INT 10 null

the item number for this item (items.itemnumber)
search_marc_map Table marc_type enum('marc21', 'unimarc', 'normarc') 7 null

what MARC type this map is for
borrowers Table date_renewed DATE 10 √ null

date the patron/borrower's card was last renewed
borrowers Table lost BIT 0 √ null

set to 1 for yes and 0 for no, flag to note that library marked this patron/borrower as having lost their card
tags Table weight BIGINT 19 0
library_groups Table ft_hide_patron_info BIT 0 0

Turn on the feature "Hide patron's info" for this group
import_batches Table batch_type enum('batch', 'z3950', 'webservice') 10 batch

where this batch has come from
userflags Table flagdesc VARCHAR 255 √ null
article_requests Table chapters MEDIUMTEXT 16777215 √ null
deleteditems Table biblionumber INT 10 0

foreign key from biblio table used to link this item to the right bib record
biblio Table title LONGTEXT 2147483647 √ null

title (without the subtitle) from the MARC record (245$a in MARC21)
auth_subfield_structure Table tagfield VARCHAR 3
accountlines Table manager_id INT 10 √ null
items Table copynumber VARCHAR 32 √ null

copy number (MARC21 952$t)
housebound_role Table housebound_deliverer BIT 0 0

set to 1 to indicate this patron is a housebound deliverer volunteer
aqorders Table claims_count INT 10 √ 0

count of claim letters generated
old_issues Table note LONGTEXT 2147483647 √ null

issue note text
subscription_numberpatterns Table whenmorethan1 INT 10 √ null
vendor_edi_accounts Table upload_directory MEDIUMTEXT 16777215 √ null
oai_sets_mappings Table marcsubfield CHAR 1 null
branch_item_rules Table hold_fulfillment_policy enum('any', 'homebranch', 'holdingbranch') 13 any

limit trapping of holds by branchcode
biblioitems Table biblioitemnumber INT 10 √ null

primary key, unique identifier assigned by Koha
patron_consent Table id INT 10 √ null
aqcontract Table contractname VARCHAR 50 √ null
tmp_holdsqueue Table phone MEDIUMTEXT 16777215 √ null
message_queue Table message_transport_type VARCHAR 20 null
social_data Table num_quotations INT 10 √ null
search_marc_to_field Table suggestible BIT 0 √ 0

true if this field can be used to generate suggestions for browse
aqbudgets Table timestamp TIMESTAMP 19 current_timestamp()

date and time this fund was last touched (created or modified)
aqbasket Table create_items enum('ordering', 'receiving', 'cataloguing') 11 √ null

when items should be created for orders in this basket
borrower_modifications Table altcontactaddress1 VARCHAR 255 √ null
edifact_messages Table deleted BIT 0 0
marc_modification_template_actions Table conditional enum('if', 'unless') 6 √ null
import_records Table import_record_id INT 10 √ null
issues Table issuedate DATETIME 19 √ null

date the item was checked out or issued
courses Table students_count VARCHAR 20 √ null

how many students will be taking this course/section
items Table location VARCHAR 80 √ null

authorized value for the shelving location for this item (MARC21 952$c)
housebound_visit Table appointment_date DATE 10 √ null

Date of visit.
illrequestattributes Table readonly BIT 0 1
deletedbiblio Table title LONGTEXT 2147483647 √ null

title (without the subtitle) from the MARC record (245$a in MARC21)
printers_profile Table printer_name VARCHAR 40 Default Printer
subscription Table numberpattern INT 10 √ null

the numbering pattern used links to subscription_numberpatterns.id
additional_fields Table name VARCHAR 255

name of the field
housebound_visit Table borrowernumber INT 10 null

Number of the borrower, & the profile, linked to this visit.
club_templates Table is_email_required BIT 0 0
deleteditems Table itemnotes_nonpublic LONGTEXT 2147483647 √ null
quotes Table text LONGTEXT 2147483647 null

text of the quote
borrowers Table B_streetnumber VARCHAR 10 √ null

the house number for your patron/borrower's alternate address
aqinvoices Table shipmentcost DECIMAL 28 √ null
auth_header Table modification_time TIMESTAMP 19 current_timestamp()
aqorders Table ecost_tax_included DECIMAL 28 √ null

the estimated cost including tax
vendor_edi_accounts Table password VARCHAR 40 √ null
aqbudgets Table budget_owner_id INT 10 √ null

borrowernumber of the person who owns this fund (borrowers.borrowernumber)
edifact_messages Table raw_msg LONGTEXT 2147483647 √ null
aqbasket Table authorisedby VARCHAR 10 √ null

the borrowernumber of the person who created the basket
tmp_holdsqueue Table firstname MEDIUMTEXT 16777215 √ null
sessions Table a_session LONGTEXT 2147483647 null
deletedbiblio Table timestamp TIMESTAMP 19 current_timestamp()

date and time this record was last touched
biblioitems Table notes LONGTEXT 2147483647 √ null
user_permissions Table code VARCHAR 64 √ null
categories Table checkprevcheckout VARCHAR 7 inherit

produce a warning for this patron category if this item has previously been checked out to this patron if 'yes', not if 'no', defer to syspref setting if 'inherit'.
matchpoint_components Table matchpoint_component_id INT 10 √ null
aqbudgets_planning Table budget_id INT 10 null
tags_approval Table term VARCHAR 191 null

the tag
deletedbiblioitems Table cn_item VARCHAR 10 √ null
deletedborrowers Table sort1 VARCHAR 80 √ null

a field that can be used for any information unique to the library
items_search_fields Table label VARCHAR 255 null
matchpoint_components Table tag VARCHAR 3
subscription_frequencies Table unit enum('day', 'week', 'month', 'year') 5 √ null
saved_sql Table report_subgroup VARCHAR 80 √ null
borrower_modifications Table sort2 VARCHAR 80 √ null
biblioitems Table publicationyear MEDIUMTEXT 16777215 √ null
deletedborrowers Table mobile VARCHAR 50 √ null

the other phone number for your patron/borrower's primary address
club_template_fields Table id INT 10 √ null
stockrotationitems Table fresh BIT 0 0
aqcontacts Table serialsprimary BIT 0 0

is this the primary contact for serials messages
items Table damaged_on DATETIME 19 √ null

the date and time an item was last marked as damaged, NULL if not damaged
deletedborrowers Table streettype VARCHAR 50 √ null

the street type (Rd., Blvd, etc) for your patron/borrower's primary address
aqbooksellers Table notes LONGTEXT 2147483647 √ null

order notes
items Table paidfor LONGTEXT 2147483647 √ null
serial Table serialseq_x VARCHAR 100 √ null

first part of issue information
illrequests Table branchcode VARCHAR 50 null
branchtransfers Table tobranch VARCHAR 10

the branch the transfer was going to
stockrotationitems Table itemnumber_id INT 10 null
deletedbiblioitems Table notes LONGTEXT 2147483647 √ null
saved_sql Table date_created DATETIME 19 √ null

the date this report was created
browser Table level INT 10 null
quotes Table id INT 10 √ null

unique id for the quote
reviews Table approved TINYINT 3 √ 0

whether this comment has been approved by a librarian (1 for yes, 0 for no)
auth_tag_structure Table libopac VARCHAR 255
import_items Table import_items_id INT 10 √ null
deleteditems Table withdrawn BIT 0 0

authorized value defining this item as withdrawn (MARC21 952$0)
old_reserves Table biblionumber INT 10 √ null

foreign key from the biblio table defining which bib record this hold is on
message_queue Table subject MEDIUMTEXT 16777215 √ null
aqbooksellers Table deliverytime INT 10 √ null

vendor delivery time
z3950servers Table db VARCHAR 255 √ null

target's database name
issuingrules Table rentaldiscount DECIMAL 28 √ null

percent discount on the rental charge for this item
borrowers Table fax LONGTEXT 2147483647 √ null

the fax number for your patron/borrower's primary address
social_data Table score_avg DECIMAL 5 √ null
biblio_metadata Table id INT 10 √ null
vendor_edi_accounts Table orders_enabled BIT 0 0
opac_news Table lang VARCHAR 25

location for the article (koha is the staff client, slip is the circulation receipt and language codes are for the opac)
zebraqueue Table operation CHAR 20
deleteditems Table more_subfields_xml LONGTEXT 2147483647 √ null

additional 952 subfields in XML format
club_templates Table description MEDIUMTEXT 16777215 √ null
edifact_messages Table message_type VARCHAR 10 null
borrowers Table othernames LONGTEXT 2147483647 √ null

any other names associated with the patron/borrower
audio_alerts Table sound VARCHAR 255 null
additional_fields Table searchable BIT 0 0

is the field searchable?
deletedborrowers Table firstname MEDIUMTEXT 16777215 √ null

patron/borrower's first name
import_items Table marcxml LONGTEXT 2147483647 null
authorised_values_branches Table av_id INT 10 null
deletedbiblioitems Table cn_class VARCHAR 30 √ null
creator_templates Table left_text_margin FLOAT 12 0
export_format Table profile VARCHAR 255 null
auth_types Table authtypecode VARCHAR 10
suggestions Table place VARCHAR 255 √ null

publication place of the suggested item
subscription_frequencies Table id INT 10 √ null
suggestions Table suggestedby INT 10 0

borrowernumber for the person making the suggestion, foreign key linking to the borrowers table
saved_sql Table type VARCHAR 255 √ null

always 1 for tabular
search_marc_to_field Table sort BIT 0 √ null

true/false creates special sort handling, null doesn't
borrower_modifications Table address LONGTEXT 2147483647 √ null
branch_borrower_circ_rules Table maxonsiteissueqty INT 10 √ null

the maximum number of on-site checkouts this patron category can have at this branch
patron_list_patrons Table patron_list_patron_id INT 10 √ null

unique identifier
aqinvoice_adjustments Table note MEDIUMTEXT 16777215 √ null

text to explain adjustment
class_split_rules Table description LONGTEXT 2147483647 √ null
branchtransfers Table comments LONGTEXT 2147483647 √ null

any comments related to the transfer
biblioitems Table timestamp TIMESTAMP 19 current_timestamp()
import_batches Table record_type enum('biblio', 'auth', 'holdings') 8 biblio

type of record in the batch
tmp_holdsqueue Table pickbranch VARCHAR 10 √ null
accountlines Table lastincrement DECIMAL 28 √ null
aqorders Table datereceived DATE 10 √ null

the date this order was received
subscription_numberpatterns Table numbering3 VARCHAR 255 √ null
import_records Table import_batch_id INT 10 null
aqbasket Table booksellernote LONGTEXT 2147483647 √ null

the vendor note added at basket creation
accountlines Table issue_id INT 10 √ null
account_offsets Table id INT 10 √ null

unique identifier for each offset
auth_types Table summary LONGTEXT 2147483647 null
circulation_rules Table branchcode VARCHAR 10 √ null
borrower_files Table file_description VARCHAR 255 √ null

description given to the file
biblioitems Table number LONGTEXT 2147483647 √ null
old_reserves Table reservenotes LONGTEXT 2147483647 √ null

notes related to this hold
itemtypes Table sip_media_type VARCHAR 3 √ null

SIP2 protocol media type for this itemtype
aqbudgets Table budget_expend DECIMAL 28 √ 0.000000

budget warning at amount
borrower_modifications Table borrowernotes LONGTEXT 2147483647 √ null
borrower_modifications Table fax LONGTEXT 2147483647 √ null
matchpoint_component_norms Table sequence INT 10 0
aqorders Table tax_rate_on_ordering DECIMAL 6 √ null

the tax rate on ordering for this line item (%)
ratings Table biblionumber INT 10 null

the biblio this rating is for (biblio.biblionumber)
aqbudgets_planning Table budget_period_id INT 10 null
aqorders Table rrp DECIMAL 13 √ null

the retail cost for this line item
plugin_data Table plugin_value MEDIUMTEXT 16777215 √ null
deleteditems Table barcode VARCHAR 20 √ null

item barcode (MARC21 952$p)
illrequests Table replied DATE 10 √ null
auth_subfield_structure Table seealso VARCHAR 255 √ null
deletedbiblioitems Table biblionumber INT 10 0

foreign key linking this table to the biblio table
cities Table city_name VARCHAR 100

name of the city
statistics Table ccode VARCHAR 80 √ null

foreign key from the items table, links transaction to a specific collection code
club_template_fields Table authorised_value_category VARCHAR 16 √ null
z3950servers Table password VARCHAR 255 √ null

password needed to log in to target
clubs Table name TEXT 65535 null
userflags Table bit INT 10 0
issuingrules Table itemtype VARCHAR 10

item type this rule is for (itemtypes.itemtype)
issuingrules Table note VARCHAR 100 √ null

description of rule, reason for setting rule
suggestions Table author VARCHAR 80 √ null

author of the suggested item
sms_providers Table id INT 10 √ null
borrower_attribute_types Table staff_searchable BIT 0 0

defines if this field is searchable via the patron search in the staff client (1 for yes, 0 for no)
tags_approval Table weight_total INT 10 1

the total number of times this tag was used
overduerules_transport_types Table id INT 10 √ null
statistics Table value DOUBLE 16 √ null

monetary value associated with the transaction
search_history Table id INT 10 √ null

search history id
language_subtag_registry Table added DATE 10 √ null
deleteditems Table itemlost BIT 0 0

authorized value defining this item as lost (MARC21 952$1)
stockrotationstages Table branchcode_id VARCHAR 10 null
creator_layouts Table barcode_type CHAR 100 CODE39
deletedbiblioitems Table pages VARCHAR 255 √ null

number of pages (MARC21 300$c)
aqinvoice_adjustments Table adjustment DECIMAL 28 √ null

amount of adjustment
overduerules Table debarred1 VARCHAR 1 √ 0

is the patron restricted when the first notice is sent (1 for yes, 0 for no)
club_enrollments Table date_updated TIMESTAMP 19 √ null
pending_offline_operations Table userid VARCHAR 30 null
reserves Table suspend BIT 0 0
suggestions Table publicationyear SMALLINT 5 √ 0
aqbasket Table deliveryplace VARCHAR 10 √ null

basket delivery place
old_reserves Table notificationdate DATE 10 √ null

currently unused
issues Table issue_id INT 10 √ null

primary key for issues table
creator_templates Table page_height FLOAT 12 0
article_requests Table branchcode VARCHAR 10 √ null
article_requests Table volume MEDIUMTEXT 16777215 √ null
club_template_enrollment_fields Table authorised_value_category VARCHAR 16 √ null
account_offsets Table debit_id INT 10 √ null

The id of the accountline that decreased the patron's balance
issues Table auto_renew BIT 0 √ 0

automatic renewal
illrequests Table orderid VARCHAR 50 √ null
tags_approval Table date_approved DATETIME 19 √ null

the date this tag was approved
branches Table branchaddress2 LONGTEXT 2147483647 √ null

the second address line of for your library or branch
items Table uri VARCHAR 255 √ null

URL for the item (MARC21 952$u)
class_split_rules Table split_routine VARCHAR 30
overduerules Table delay1 INT 10 √ null

number of days after the item is overdue that the first notice is sent
deletedborrowers Table country MEDIUMTEXT 16777215 √ null

the country for your patron/borrower's primary address
borrower_message_preferences Table wants_digest BIT 0 0
biblio Table author LONGTEXT 2147483647 √ null

statement of responsibility from MARC record (100$a in MARC21)
virtualshelves Table shelfnumber INT 10 √ null

unique identifier assigned by Koha
language_rfc4646_to_iso639 Table rfc4646_subtag VARCHAR 25 √ null
clubs Table club_template_id INT 10 null
cities Table city_state VARCHAR 100 √ null

name of the state/province
branches Table marcorgcode VARCHAR 16 √ null

MARC Organization Code, see http://www.loc.gov/marc/organizations/orgshome.html, when empty defaults to syspref MARCOrgCode
auth_subfield_structure Table repeatable TINYINT 3 0
matchpoints Table matcher_id INT 10 null
saved_sql Table report_area VARCHAR 6 √ null
aqorders Table currency VARCHAR 10 √ null

the currency used for the purchase
aqbudgetperiods Table budget_period_active BIT 0 √ 0

whether this budget is active or not (1 for yes, 0 for no)
deleteditems Table itype VARCHAR 10 √ null

foreign key from the itemtypes table defining the type for this item (MARC21 952$y)
statistics Table other LONGTEXT 2147483647 √ null

used by SIP
edifact_messages Table transfer_date DATE 10 √ null
aqbasket Table contractnumber INT 10 √ null

links this basket to the aqcontract table (aqcontract.contractnumber)
auth_subfield_structure Table authorised_value VARCHAR 10 √ null
creator_layouts Table creator CHAR 15 Labels
language_script_mapping Table script_subtag VARCHAR 25 √ null
aqbooksellers Table address1 LONGTEXT 2147483647 √ null

first line of vendor physical address
borrower_files Table date_uploaded TIMESTAMP 19 current_timestamp()

date and time the file was added
auth_subfield_structure Table value_builder VARCHAR 80 √ null
reviews Table review MEDIUMTEXT 16777215 √ null

the body of the comment
club_templates Table date_updated TIMESTAMP 19 √ null
creator_layouts Table units CHAR 20 POINT
saved_sql Table borrowernumber INT 10 √ null

the staff member who created this report (borrowers.borrowernumber)
article_requests Table author MEDIUMTEXT 16777215 √ null
additional_field_values Table value VARCHAR 255

value for this field
courses Table public_note LONGTEXT 2147483647 √ null

the text of the public / opac note
subscription_numberpatterns Table add3 INT 10 √ null
edifact_messages Table edi_acct INT 10 √ null
aqbooksellers Table othersupplier LONGTEXT 2147483647 √ null
deletedbiblioitems Table collectionvolume LONGTEXT 2147483647 √ null
import_batches Table branchcode VARCHAR 10 √ null
borrowers Table altcontactzipcode VARCHAR 50 √ null

the zipcode for the alternate contact for the patron/borrower
message_attributes Table message_attribute_id INT 10 √ null
aqorders Table budget_id INT 10 null

the fund this order goes against (aqbudgets.budget_id)
housebound_profile Table borrowernumber INT 10 null

Number of the borrower associated with this profile.
biblio Table copyrightdate SMALLINT 5 √ null

publication or copyright date from the MARC record
deletedbiblioitems Table collectionissn MEDIUMTEXT 16777215 √ null
branch_transfer_limits Table ccode VARCHAR 80 √ null
printers Table printername VARCHAR 40
deletedbiblio_metadata Table metadata LONGTEXT 2147483647 null
aqbudgetperiods Table budget_period_id INT 10 √ null

primary key and unique number assigned by Koha
aqorders Table replacementprice DECIMAL 28 √ null

the replacement cost for this line item
borrower_modifications Table privacy INT 10 √ null
old_issues Table issuedate DATETIME 19 √ null

date the item was checked out or issued
illrequests Table notesopac MEDIUMTEXT 16777215 √ null
aqbooksellers Table gstreg TINYINT 3 √ null

is your library charged tax (1 for yes, 0 for no)
categories_branches Table branchcode VARCHAR 10 √ null
borrower_files Table file_content LONGBLOB 2147483647 null

the file
language_subtag_registry Table id INT 10 √ null
auth_header Table marcxml LONGTEXT 2147483647 null
virtualshelfshares Table invitekey VARCHAR 10 √ null

temporary string used in accepting the invitation to access thist list; not-empty means that the invitation has not been accepted yet
circulation_rules Table id INT 10 √ null
subscription_frequencies Table issuesperunit INT 10 1
collections_tracking Table itemnumber INT 10 0

items.itemnumber
marc_tag_structure Table ind1_defaultvalue VARCHAR 1
creator_batches Table creator CHAR 15 Labels
article_requests Table borrowernumber INT 10 null
aqbudgets Table sort2_authcat VARCHAR 80 √ null

second statistical category for this fund
aqbasket Table booksellerinvoicenumber LONGTEXT 2147483647 √ null

appears to always be NULL
marc_modification_template_actions Table to_regex_modifiers VARCHAR 8 √
stockrotationitems Table indemand BIT 0 0

Should this item be skipped for rotation?
aqinvoice_adjustments Table budget_id INT 10 √ null

optional link to budget to apply adjustment to
sms_providers Table name VARCHAR 255 null
statistics Table itemtype VARCHAR 10 √ null

foreign key from the itemtypes table, links transaction to a specific item type
aqbasketgroups Table name VARCHAR 50 √ null
subscription Table notes LONGTEXT 2147483647 √ null

notes
oai_sets_biblios Table set_id INT 10 null
article_requests Table pages MEDIUMTEXT 16777215 √ null
message_queue Table to_address LONGTEXT 2147483647 √ null
aqorders Table rrp_tax_excluded DECIMAL 28 √ null

the replacement cost excluding tax
patron_list_patrons Table patron_list_id INT 10 null
search_history Table time TIMESTAMP 19 current_timestamp()

the date and time the search was run
items Table stocknumber VARCHAR 32 √ null

inventory number (MARC21 952$i)
items Table new_status VARCHAR 32 √ null

'new' value, you can put whatever free-text information. This field is intented to be managed by the automatic_item_modification_by_age cronjob.
social_data Table num_scores INT 10 √ null
deletedborrowers Table login_attempts INT 10 √ 0

number of failed login attemps
aqinvoice_adjustments Table adjustment_id INT 10 √ null

primary key for adjustments
borrower_files Table file_name VARCHAR 255 null

file name
misc_files Table file_type VARCHAR 255 null

MIME type of the file
club_enrollments Table date_created TIMESTAMP 19 √ null
reserves Table suspend_until DATETIME 19 √ null
categories Table default_privacy enum('default', 'never', 'forever') 8 default

Default privacy setting for this patron category
club_enrollments Table club_id INT 10 null
suggestions Table manageddate DATE 10 √ null

date the suggestion was updated
biblio Table biblionumber INT 10 √ null

unique identifier assigned to each bibliographic record
club_enrollment_fields Table value MEDIUMTEXT 16777215 null
categories Table category_type VARCHAR 1 A

type of Koha patron (Adult, Child, Professional, Organizational, Statistical, Staff)
import_batches Table item_action enum('always_add', 'add_only_for_matches', 'add_only_for_new', 'ignore', 'replace') 20 always_add

what to do with item records
borrowers Table phone MEDIUMTEXT 16777215 √ null

the primary phone number for your patron/borrower's primary address
borrowers Table contactnote VARCHAR 255 √ null

a note related to the patron/borrower's alternate address
aqbasket Table booksellerid INT 10 1

the Koha assigned ID for the vendor (aqbooksellers.id)
items Table permanent_location VARCHAR 80 √ null

linked to the CART and PROC temporary locations feature, stores the permanent shelving location
reviews Table datereviewed DATETIME 19 √ null

the date the comment was left
patron_list_patrons Table borrowernumber INT 10 null
stockrotationstages Table stage_id INT 10 √ null
export_format Table content LONGTEXT 2147483647 null
cities Table city_country VARCHAR 100 √ null

name of the country
marc_modification_template_actions Table to_regex_search MEDIUMTEXT 16777215 √ null
letter Table branchcode VARCHAR 10

the branch this notice or slip is used at (branches.branchcode)
article_requests Table itemnumber INT 10 √ null
export_format Table field_separator VARCHAR 2 √ null
illcomments Table timestamp TIMESTAMP 19 current_timestamp()

Date and time when the comment was made
marc_modification_template_actions Table conditional_comparison enum('exists', 'not_exists', 'equals', 'not_equals') 10 √ null
stockrotationstages Table duration INT 10 4

The number of days items shoud occupy this stage
auth_subfield_structure Table linkid BIT 0 0
serial Table claimdate DATE 10 √ null

date claimed
issues Table timestamp TIMESTAMP 19 current_timestamp()

the date and time this record was last touched
tags_index Table term VARCHAR 191 null

the tag
export_format Table type VARCHAR 255 √ marc
auth_subfield_structure Table defaultvalue MEDIUMTEXT 16777215 √ null
biblio Table datecreated DATE 10 null

the date this record was added to Koha
branches Table branchreplyto LONGTEXT 2147483647 √ null

the email to be used as a Reply-To
import_batches Table num_items INT 10 0

number of items in the file
deleteditems Table datelastseen DATE 10 √ null

the date the item was last see (usually the last time the barcode was scanned or inventory was done)
course_items Table holdingbranch VARCHAR 10 √ null

new holding branch for the item to have while on reserve (optional)
marc_subfield_structure Table hidden BIT 0 √ null
overduerules Table delay3 INT 10 √ null

number of days after the item is overdue that the third notice is sent
search_field Table name VARCHAR 255 null

the name of the field as it will be stored in the search engine
aqcontacts Table claimacquisition BIT 0 0

should this contact receive acquisitions claims
need_merge_authorities Table id INT 10 √ null

unique id
aqcontacts Table fax VARCHAR 100 √ null
creator_templates Table col_gap FLOAT 12 0
old_issues Table notedate DATETIME 19 √ null

datetime of issue note (yyyy-mm-dd hh:mm::ss)
accountlines Table description LONGTEXT 2147483647 √ null
biblioitems Table ean LONGTEXT 2147483647 √ null
aqbudgets Table budget_notes LONGTEXT 2147483647 √ null

notes related to this fund
printers Table printqueue VARCHAR 20 √ null
aqorders Table datecancellationprinted DATE 10 √ null

the date the line item was deleted
marc_subfield_structure Table maxlength INT 10 9999
borrower_password_recovery Table uuid VARCHAR 128 null

a unique string to identify a password recovery attempt
old_reserves Table waitingdate DATE 10 √ null

the date the item was marked as waiting for the patron at the library
default_branch_circ_rules Table hold_fulfillment_policy enum('any', 'homebranch', 'holdingbranch') 13 any

limit trapping of holds by branchcode
borrower_modifications Table B_streettype VARCHAR 50 √ null
systempreferences Table explanation MEDIUMTEXT 16777215 √ null

descriptive text for the system preference
article_requests Table issue MEDIUMTEXT 16777215 √ null
borrower_modifications Table flags INT 10 √ null
old_reserves Table timestamp TIMESTAMP 19 current_timestamp()

the date and time this hold was last updated
tmp_holdsqueue Table barcode VARCHAR 20 √ null
stockrotationrotas Table description TEXT 65535 null
creator_layouts Table callnum_split INT 10 √ 0
virtualshelfshares Table borrowernumber INT 10 √ null
deletedborrowers Table privacy_guarantor_checkouts BIT 0 0

controls if relatives can see this patron's checkouts
itemtypes Table rentalcharge DECIMAL 28 √ null

the amount charged when this item is checked out/issued
aqcontacts Table altphone VARCHAR 100 √ null

contact's alternate phone number
subscription_numberpatterns Table numbering2 VARCHAR 255 √ null
old_issues Table auto_renew BIT 0 √ 0

automatic renewal
deleteditems Table itemlost_on DATETIME 19 √ null

the date and time an item was last marked as lost, NULL if not lost
reserves Table expirationdate DATE 10 √ null

the date the hold expires (usually the date entered by the patron to say they don't need the hold after a certain date)
deletedbiblioitems Table cn_source VARCHAR 10 √ null

classification source (MARC21 942$2)
aqorders Table biblionumber INT 10 √ null

links the order to the biblio being ordered (biblio.biblionumber)
borrower_modifications Table streetnumber VARCHAR 10 √ null
collections Table colId INT 10 √ null
borrower_debarments Table comment MEDIUMTEXT 16777215 √ null

comments about the restriction
subscription Table biblionumber INT 10 0

foreign key for biblio.biblionumber that this subscription is attached to
currency Table timestamp TIMESTAMP 19 current_timestamp()
branchtransfers Table datearrived DATETIME 19 √ null

the date the transfer arrived at its destination
borrower_modifications Table dateexpiry DATE 10 √ null
aqbudgets Table budget_period_id INT 10 √ null

id of the budget that this fund belongs to (aqbudgetperiods.budget_period_id)
import_auths Table matched_authid INT 10 √ null
borrower_files Table file_id INT 10 √ null

unique key
import_records Table marc LONGBLOB 2147483647 null
default_branch_circ_rules Table maxonsiteissueqty INT 10 √ null
import_biblios Table title VARCHAR 128 √ null
import_records Table record_type enum('biblio', 'auth', 'holdings') 8 biblio
aqinvoices Table shipmentcost_budgetid INT 10 √ null
patron_consent Table borrowernumber INT 10 null
aqbudgets Table budget_parent_id INT 10 √ null

if this fund is a child of another this will include the parent id (aqbudgets.budget_id)
aqbooksellers Table address3 LONGTEXT 2147483647 √ null

third line of vendor physical address
illrequests Table illrequest_id BIGINT UNSIGNED 20 √ null
borrowers Table sms_provider_id INT 10 √ null

the provider of the mobile phone number defined in smsalertnumber
aqinvoices Table invoiceid INT 10 √ null
marc_subfield_structure Table link VARCHAR 80 √ null
branches Table branchzip VARCHAR 25 √ null

the zip or postal code for your library or branch
borrowers Table altcontactcountry MEDIUMTEXT 16777215 √ null

the country for the alternate contact for the patron/borrower
repeatable_holidays Table month SMALLINT 5 √ null

month this closing is in
course_items Table itemnumber INT 10 null

items.itemnumber for the item on reserve
stockrotationitems Table stage_id INT 10 null
misc_files Table date_uploaded TIMESTAMP 19 current_timestamp()

date and time the file was added
issues Table borrowernumber INT 10 √ null

foreign key, linking this to the borrowers table for the patron this item was checked out to
currency Table currency VARCHAR 10
borrowers Table guarantorid INT 10 √ null

borrowernumber used for children or professionals to link them to guarantors or organizations
course_reserves Table public_note LONGTEXT 2147483647 √ null

public, OPAC visible note
borrower_modifications Table phone MEDIUMTEXT 16777215 √ null
aqbooksellers Table listprice VARCHAR 10 √ null

currency code for list prices
marc_subfield_structure Table authtypecode VARCHAR 20 √ null
creator_batches Table branch_code VARCHAR 10 NB
borrowers Table email LONGTEXT 2147483647 √ null

the primary email address for your patron/borrower's primary address
article_requests Table id INT 10 √ null
items Table booksellerid LONGTEXT 2147483647 √ null

where the item was purchased (MARC21 952$e)
borrower_message_preferences Table days_in_advance INT 10 √ 0
borrower_modifications Table B_city LONGTEXT 2147483647 √ null
subscriptionroutinglist Table subscriptionid INT 10 null

foreign key from the subscription table, defines which subscription this routing list is for
hold_fill_targets Table item_level_request TINYINT 3 0
linktracker Table url MEDIUMTEXT 16777215 √ null

the link itself
authorised_values Table imageurl VARCHAR 200 √ null

authorized value URL
deletedbiblioitems Table itemtype VARCHAR 10 √ null

biblio level item type (MARC21 942$c)
old_reserves Table suspend BIT 0 0

in this hold suspended (1 for yes, 0 for no)
auth_subfield_structure Table authtypecode VARCHAR 10
marc_modification_template_actions Table from_field VARCHAR 3 null
action_logs Table user INT 10 0

the staff member who performed the action (borrowers.borrowernumber)
subscriptionhistory Table histenddate DATE 10 √ null
deleteditems Table timestamp TIMESTAMP 19 current_timestamp()

date and time this item was last altered
saved_sql Table notes MEDIUMTEXT 16777215 √ null

the notes or description given to this report
items Table issues SMALLINT 5 √ null

number of times this item has been checked out/issued
deletedborrowers Table contactnote VARCHAR 255 √ null

a note related to the patron/borrower's alternate address
deleteditems Table materials MEDIUMTEXT 16777215 √ null

materials specified (MARC21 952$3)
oai_sets_descriptions Table description VARCHAR 255 null
aqbooksellers Table address4 LONGTEXT 2147483647 √ null

fourth line of vendor physical address
issuingrules Table issuelength INT 10 √ null

length of checkout in the unit set in issuingrules.lengthunit
marc_subfield_structure Table defaultvalue MEDIUMTEXT 16777215 √ null
creator_templates Table profile_id INT 10 √ null
saved_reports Table report LONGTEXT 2147483647 √ null
courses Table course_name VARCHAR 255 √ null

the name of the course
borrowers Table login_attempts INT 10 √ 0

number of failed login attemps
marc_modification_template_actions Table to_regex_replace MEDIUMTEXT 16777215 √ null
borrower_modifications Table country MEDIUMTEXT 16777215 √ null
biblioitems Table url MEDIUMTEXT 16777215 √ null

url (MARC21 856$u)
deletedborrowers Table title LONGTEXT 2147483647 √ null

patron/borrower's title, for example: Mr. or Mrs.
statistics Table associatedborrower INT 10 √ null

unused in Koha
import_records Table record_sequence INT 10 0
subscription_numberpatterns Table numberingmethod VARCHAR 255 null
clubs Table date_start DATE 10 √ null
club_templates Table is_deletable BIT 0 1
borrowers Table altcontactstate MEDIUMTEXT 16777215 √ null

the state for the alternate contact for the patron/borrower
quotes Table source MEDIUMTEXT 16777215 √ null

source/credit for the quote
aqbasketgroups Table billingplace VARCHAR 10 √ null
housebound_role Table borrowernumber_id INT 10 null

borrowernumber link
deletedbiblioitems Table place VARCHAR 255 √ null

publication place (MARC21 260$a)
items Table stack BIT 0 √ null
overduerules Table overduerules_id INT 10 √ null

unique identifier for the overduerules
language_script_mapping Table language_subtag VARCHAR 25 √ null
items Table itemlost BIT 0 0

authorized value defining this item as lost (MARC21 952$1)
issues Table renewals TINYINT 3 √ null

lists the number of times the item was renewed
branches Table branchurl LONGTEXT 2147483647 √ null

the URL for your library or branch's website
deletedborrowers Table B_country MEDIUMTEXT 16777215 √ null

the country for your patron/borrower's alternate address
messages Table manager_id INT 10 √ null

creator of message
stockrotationrotas Table rota_id INT 10 √ null
marc_subfield_structure Table authorised_value VARCHAR 32 √ null
serial Table serialseq_z VARCHAR 100 √ null

third part of issue information
subscription_frequencies Table description MEDIUMTEXT 16777215 null
subscriptionhistory Table recievedlist LONGTEXT 2147483647 null
import_items Table import_error LONGTEXT 2147483647 √ null
branch_item_rules Table itemtype VARCHAR 10 null

the item type this rule applies to (items.itype)
deletedborrowers Table debarred DATE 10 √ null

until this date the patron can only check-in (no loans, no holds, etc.), is a fine based on days instead of money (YYYY-MM-DD)
deletedborrowers Table relationship VARCHAR 100 √ null

used for children to include the relationship to their guarantor
matchpoint_component_norms Table norm_routine VARCHAR 50
additional_field_values Table field_id INT 10 null

foreign key references additional_fields(id)
special_holidays Table title VARCHAR 50

title for this closing
ratings Table timestamp TIMESTAMP 19 current_timestamp()
deletedborrowers Table debarredcomment VARCHAR 255 √ null

comment on the stop of patron
suggestions Table volumedesc VARCHAR 255 √ null
deleteditems Table homebranch VARCHAR 10 √ null

foreign key from the branches table for the library that owns this item (MARC21 952$a)
deletedbiblioitems Table editionresponsibility MEDIUMTEXT 16777215 √ null
opac_news Table idnew INT UNSIGNED 10 √ null

unique identifier for the news article
categories_branches Table categorycode VARCHAR 10 √ null
oai_sets_mappings Table set_id INT 10 null
article_requests Table status enum('PENDING', 'PROCESSING', 'COMPLETED', 'CANCELED') 10 PENDING
borrowers Table userid VARCHAR 75 √ null

patron/borrower's opac and/or staff client log in
creator_templates Table rows INT 10 0
courses Table section VARCHAR 255 √ null

the 'section' of a course
aqorders Table tax_value_on_receiving DECIMAL 28 √ null

the tax value on receiving for this line item
itemtypes Table description LONGTEXT 2147483647 √ null

a plain text explanation of the item type
subscriptionroutinglist Table borrowernumber INT 10 null

foreign key from the borrowers table, defines with patron is on the routing list
items Table datelastseen DATE 10 √ null

the date the item was last see (usually the last time the barcode was scanned or inventory was done)