Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||
|---|---|---|---|---|---|---|---|---|---|---|
| itemnumber | INT | 10 | 0 |
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primary key and unique identifier added by Koha |
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| biblionumber | INT | 10 | 0 |
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foreign key from biblio table used to link this item to the right bib record |
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| biblioitemnumber | INT | 10 | 0 |
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foreign key from the biblioitems table to link to item to additional information |
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| barcode | VARCHAR | 20 | √ | null |
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item barcode (MARC21 952$p) |
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| dateaccessioned | DATE | 10 | √ | null |
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date the item was acquired or added to Koha (MARC21 952$d) |
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| booksellerid | LONGTEXT | 2147483647 | √ | null |
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where the item was purchased (MARC21 952$e) |
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| homebranch | VARCHAR | 10 | √ | null |
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foreign key from the branches table for the library that owns this item (MARC21 952$a) |
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| price | DECIMAL | 8,2 | √ | null |
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purchase price (MARC21 952$g) |
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| replacementprice | DECIMAL | 8,2 | √ | null |
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cost the library charges to replace the item if it has been marked lost (MARC21 952$v) |
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| replacementpricedate | DATE | 10 | √ | null |
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the date the price is effective from (MARC21 952$w) |
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| datelastborrowed | DATE | 10 | √ | null |
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the date the item was last checked out |
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| datelastseen | DATE | 10 | √ | null |
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the date the item was last see (usually the last time the barcode was scanned or inventory was done) |
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| stack | BIT | 0 | √ | null |
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|
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| notforloan | BIT | 0 | 0 |
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authorized value defining why this item is not for loan (MARC21 952$7) |
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| damaged | BIT | 0 | 0 |
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|
authorized value defining this item as damaged (MARC21 952$4) |
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| damaged_on | DATETIME | 19 | √ | null |
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the date and time an item was last marked as damaged, NULL if not damaged |
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| itemlost | BIT | 0 | 0 |
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|
authorized value defining this item as lost (MARC21 952$1) |
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| itemlost_on | DATETIME | 19 | √ | null |
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the date and time an item was last marked as lost, NULL if not lost |
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| withdrawn | BIT | 0 | 0 |
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|
authorized value defining this item as withdrawn (MARC21 952$0) |
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| withdrawn_on | DATETIME | 19 | √ | null |
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the date and time an item was last marked as withdrawn, NULL if not withdrawn |
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| itemcallnumber | VARCHAR | 255 | √ | null |
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call number for this item (MARC21 952$o) |
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| coded_location_qualifier | VARCHAR | 10 | √ | null |
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coded location qualifier(MARC21 952$f) |
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| issues | SMALLINT | 5 | √ | null |
|
|
number of times this item has been checked out |
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| renewals | SMALLINT | 5 | √ | null |
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number of times this item has been renewed |
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| reserves | SMALLINT | 5 | √ | null |
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|
number of times this item has been placed on hold/reserved |
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| restricted | BIT | 0 | √ | null |
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|
authorized value defining use restrictions for this item (MARC21 952$5) |
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| itemnotes | LONGTEXT | 2147483647 | √ | null |
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public notes on this item (MARC21 952$x) |
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| itemnotes_nonpublic | LONGTEXT | 2147483647 | √ | null |
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|
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| holdingbranch | VARCHAR | 10 | √ | null |
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|
foreign key from the branches table for the library that is currently in possession item (MARC21 952$b) |
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| paidfor | LONGTEXT | 2147483647 | √ | null |
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|
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| timestamp | TIMESTAMP | 19 | current_timestamp() |
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|
date and time this item was last altered |
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| location | VARCHAR | 80 | √ | null |
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|
authorized value for the shelving location for this item (MARC21 952$c) |
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| permanent_location | VARCHAR | 80 | √ | null |
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linked to the CART and PROC temporary locations feature, stores the permanent shelving location |
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| onloan | DATE | 10 | √ | null |
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defines if item is checked out (NULL for not checked out, and due date for checked out) |
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| cn_source | VARCHAR | 10 | √ | null |
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|
classification source used on this item (MARC21 952$2) |
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| cn_sort | VARCHAR | 255 | √ | null |
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|
normalized form of the call number (MARC21 952$o) used for sorting |
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| ccode | VARCHAR | 80 | √ | null |
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|
authorized value for the collection code associated with this item (MARC21 952$8) |
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| materials | MEDIUMTEXT | 16777215 | √ | null |
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|
materials specified (MARC21 952$3) |
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| uri | VARCHAR | 255 | √ | null |
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|
URL for the item (MARC21 952$u) |
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| itype | VARCHAR | 10 | √ | null |
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|
foreign key from the itemtypes table defining the type for this item (MARC21 952$y) |
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| more_subfields_xml | LONGTEXT | 2147483647 | √ | null |
|
|
additional 952 subfields in XML format |
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| enumchron | MEDIUMTEXT | 16777215 | √ | null |
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|
serial enumeration/chronology for the item (MARC21 952$h) |
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| copynumber | VARCHAR | 32 | √ | null |
|
|
copy number (MARC21 952$t) |
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| stocknumber | VARCHAR | 32 | √ | null |
|
|
inventory number (MARC21 952$i) |
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| 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. |
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Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc | itemnumber |
| delholdingbranch | Performance | Asc | holdingbranch |
| delhomebranch | Performance | Asc | homebranch |
| delitembarcodeidx | Performance | Asc | barcode |
| delitembibnoidx | Performance | Asc | biblionumber |
| delitembinoidx | Performance | Asc | biblioitemnumber |
| delitemstocknumberidx | Performance | Asc | stocknumber |
| itype_idx | Performance | Asc | itype |
| timestamp | Performance | Asc | timestamp |
Relationships
Close relationships within degrees of separation
