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resources:cerl_thesaurus:editing:format:831 [2012/08/31 09:57] – external edit 127.0.0.1 | resources:cerl_thesaurus:editing:format:831 [2017/07/17 16:39] – [Examples] jahnke | ||
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- | ====== 831 Duplicate control field ====== | + | ====== 831 Duplicate control field (O;R) ====== |
- | |||
- | ==== Do not edit this field manually! ==== | ||
- | |||
- | |||
- | |||
- | \\ | ||
- | <block tableinvisible> | ||
- | | **Mandatory: | ||
- | | **Repeatable: | ||
- | | **Related fields:** |[[801|801]]| | ||
- | </ | ||
- | \\ | ||
==== Field Definition and Scope ==== | ==== Field Definition and Scope ==== | ||
- | This field is used for database updating purposes only. It shall not be displayed in the WWW interface, nor shall its content be edited by a cataloguer. It is entirely created only by programme and will be deleted by the database system after the indicated action has taken place. | + | This field is used for database updating purposes only. It shall not be displayed in the WWW interface, nor shall its content be edited by a cataloguer. |
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=== Subfields === | === Subfields === | ||
- | **$8 Language code (O; | + | <del>**$8 Language code (O; |
- | Mandatory to precede the $n subfield. A three letter language code from the Marc Code List for Languages. | + | Mandatory to precede the $n subfield. A three letter language code from the Marc Code List for Languages.</ |
**$a Record Identifier (M;NR)**\\ | **$a Record Identifier (M;NR)**\\ | ||
Record ID of the record considered duplicate | Record ID of the record considered duplicate | ||
- | **$b Number of matches | + | **$b Similarity |
- | Number of identical forms or other data detected by a checking routine. | + | <del>Number of identical forms or other data detected by a checking routine. |
- | The number of matches should be understood as an indication of the similarity of the two records. | + | The number of matches should be understood as an indication of the similarity of the two records.</ |
- | **$n Cataloguer' | + | <del>**$n Cataloguer' |
- | A short describtion | + | A short description |
- | **$z Original Authority File (A; | + | <del>**$z Original Authority File (A; |
- | Indicates the Authority File from which the record was taken originally. | + | Indicates the Authority File from which the record was taken originally.</ |
==== Input Conventions ==== | ==== Input Conventions ==== | ||
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==== Examples ==== | ==== Examples ==== | ||
- | - 831 # | + | - 831 # |
+ | |||
+ | ==== Internal Representation ==== | ||
+ | <code javascript> | ||
+ | {" | ||
+ | " | ||
+ | " | ||
+ | " | ||
+ | " | ||
+ | " | ||
+ | }] | ||
+ | }} | ||
+ | </ | ||
+ | |||
+ | ==== Change History ==== | ||
+ | * //17.07.2017//: Subfields $8, $n and $z are no longer supported, once the CT has been migrated into its new environment |
resources/cerl_thesaurus/editing/format/831.txt · Last modified: 2020/01/22 18:49 by jahnke