MARC 21/Bibliographic Data/Leader: Unterschied zwischen den Versionen

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|-
|-
| 06 || <b>Type of record</b>
! rowspan=2 | 06 !! Type of record / Art des Datensatzes
* a - Language material
* c - Notated music
* d - Manuscript notated music
* e - Cartographic material
* f - Manuscript cartographic material
* g - Projected medium
* i - Nonmusical sound recording
* j - Musical sound recording
* k - Two-dimensional nonprojectable graphic
* m - Computer file
* o - Kit
* p - Mixed materials
* r - Three-dimensional artifact or naturally occurring object
* t - Manuscript language material
|-
|-
| 07 || <b>Bibliographic level</b>
|
* a - Monographic component part
{| class=wikismall
* b - Serial component part
| a || Language material /  
* c - Collection
* d - Subunit
* i - Integrating resource
* m - Monograph/Item
* s - Serial
|-
|-
| 08 || <b>Type of control</b>
| c || Notated music
* # - No specified type
| d || Manuscript notated music
* a - Archival
| e || Cartographic material
| f || Manuscript cartographic material
| g || Projected medium
| i || Nonmusical sound recording
| j || Musical sound recording
| k || Two-dimensional nonprojectable graphic
| m || Computer file
| o || Kit
| p || Mixed materials
| r || Three-dimensional artifact or naturally occurring object
| t || Manuscript language material
|}
|-
|-
| 09 || <b>Character coding scheme</b>
! rowspan=2 | 07 !! Bibliographic level /  
* # - MARC-8
* a - UCS/Unicode
|-
|-
| 10 || <b>Indicator count</b>
|
* 2 - Number of character positions used for indicators
{| class=wikismall
| a || Monographic component part
| b || Serial component part
| c || Collection
| d || Subunit
| i || Integrating resource
| m || Monograph/Item
| s || Serial
|}
|-
|-
| 11 || <b>Subfield code count</b>
! rowspan=2 | 08 !! Type of control /  
* 2 - Number of character positions used for a subfield code
|-
|-
| 12-16 || <b>Base address of data</b>
|
* [number] - Length of Leader and Directory
{| class=wikismall
| # || No specified type
| a || Archival
|}
|-
|-
| 17 || <b>Encoding level</b>
! rowspan=2 | 09 !! Character coding scheme /  
* # - Full level
* 1 - Full level, material not examined
* 2 - Less-than-full level, material not examined
* 3 - Abbreviated level
* 4 - Core level
* 5 - Partial (preliminary) level
* 7 - Minimal level
* 8 - Prepublication level
* u - Unknown
* z - Not applicable
|-
|-
| 18 || <b>Descriptive cataloging form</b>
|
* # - Non-ISBD
{| class=wikismall
* a - AACR 2
| # || MARC-8
* c - ISBD punctuation omitted
| a || UCS/Unicode
* i - ISBD punctuation included
|}
* n - Non-ISBD punctuation omitted
* u - Unknown
|-
|-
| 19 || <b>Multipart resource record level</b>
! rowspan=2 | 10 !! Indicator count /  
* # - Not specified or not applicable
* a - Set
* b - Part with independent title
* c - Part with dependent title
|-
|-
| 20 || <b>Length of the length-of-field portion</b>
|
* 4 - Number of characters in the length-of-field portion of a Directory entry
{| class=wikismall
| 2 || Number of character positions used for indicators
|}
|-
|-
| 21 || <b>Length of the starting-character-position portion</b>
! rowspan=2 | 11 !! Subfield code count /  
* 5 - Number of characters in the starting-character-position portion of a Directory entry
|-
|-
| 22 || <b>Length of the implementation-defined portion</b>
|
* 0 - Number of characters in the implementation-defined portion of a Directory entry
{| class=wikismall
| 2 || Number of character positions used for a subfield code
|}
|-
|-
| 23 || <b>Undefined</b>
! rowspan=2 | 12-16 !! Base address of data /
* 0 - Undefined  
|-
|
{| class=wikismall
| [number] || Length of Leader and Directory
|}
|-
! rowspan=2 | 17 !! Encoding level /
|-
|
{| class=wikismall
| # || Full level
| 1 || Full level, material not examined
| 2 || Less-than-full level, material not examined
| 3 || Abbreviated level
| 4 || Core level
| 5 || Partial (preliminary) level
| 7 || Minimal level
| 8 || Prepublication level
| u || Unknown
| z || Not applicable
|}
|-
! rowspan=2 | 18 !! Descriptive cataloging form
|-
|
{| class=wikismall
| # || Non-ISBD
| a || AACR 2
| c || ISBD punctuation omitted
| i || ISBD punctuation included
| n || Non-ISBD punctuation omitted
| u || Unknown
|}
|-
! rowspan=2 | 19 !! Multipart resource record level /
|-
|
{| class=wikismall
| # || Not specified or not applicable
| a || Set
| b || Part with independent title
| c || Part with dependent title
|}
|-
! rowspan=2 | 20 !! Length of the length-of-field portion /
|-
|
{| class=wikismall
| 4 || Number of characters in the length-of-field portion of a Directory entry
|}
|-
! rowspan=2 | 21 !! Length of the starting-character-position portion /
|-
|
{| class=wikismall
| 5 || Number of characters in the starting-character-position portion of a Directory entry
|}
|-
! rowspan=2 | 22 !! Length of the implementation-defined portion
|-
|
{| class=wikismall
| 0 || Number of characters in the implementation-defined portion of a Directory entry
|}
|-
! rowspan=2 | 23 !! Undefined /  
|-
|
{| class=wikismall
| 0 || Undefined  
|}
|}
|}


Version vom 21. Februar 2019, 19:35 Uhr

Die Datensatzkennung (engl. Leader) ist ein festes Feld, welches die ersten 24 Zeichenpositionen (00-23) jedes Datensatzes umfasst und Informationen für die Verarbeitung des Datensatzes enthält.

Position Beschreibung (Englisch / Deutsch)
00-04 Record length / Länge des Datensatzes
Diese Positionen enthalten eine vom Rechner erzeugte fünfstellige numerische Zeichenfolge, welche die Länge des gesamten Datensatzes angibt. Die Nummer ist rechtsbündig, wobei linksseitig fehlende Positionen mit Nullen besetzt sind.
05 Record status / Datensatzstatus
a Increase in encoding level / Erhöhte Kodierungsebene
c Corrected or revised / Korrigiert oder überarbeitet
d Deleted / Gelöscht
n New / Neu
p Increase in encoding level from prepublication / Erhöhung der Kodierung seit der Vollpublikation
06 Type of record / Art des Datensatzes
a Language material /
c Notated music d Manuscript notated music e Cartographic material f Manuscript cartographic material g Projected medium i Nonmusical sound recording j Musical sound recording k Two-dimensional nonprojectable graphic m Computer file o Kit p Mixed materials r Three-dimensional artifact or naturally occurring object t Manuscript language material
07 Bibliographic level /
a Monographic component part b Serial component part c Collection d Subunit i Integrating resource m Monograph/Item s Serial
08 Type of control /
# No specified type a Archival
09 Character coding scheme /
# MARC-8 a UCS/Unicode
10 Indicator count /
2 Number of character positions used for indicators
11 Subfield code count /
2 Number of character positions used for a subfield code
12-16 Base address of data /
[number] Length of Leader and Directory
17 Encoding level /
# Full level 1 Full level, material not examined 2 Less-than-full level, material not examined 3 Abbreviated level 4 Core level 5 Partial (preliminary) level 7 Minimal level 8 Prepublication level u Unknown z Not applicable
18 Descriptive cataloging form
# Non-ISBD a AACR 2 c ISBD punctuation omitted i ISBD punctuation included n Non-ISBD punctuation omitted u Unknown
19 Multipart resource record level /
# Not specified or not applicable a Set b Part with independent title c Part with dependent title
20 Length of the length-of-field portion /
4 Number of characters in the length-of-field portion of a Directory entry
21 Length of the starting-character-position portion /
5 Number of characters in the starting-character-position portion of a Directory entry
22 Length of the implementation-defined portion
0 Number of characters in the implementation-defined portion of a Directory entry
23 Undefined /
0 Undefined

(Stand: 21.2.2109)

Weblinks

Herausgeber Sprache Webseitentitel Anmerkungen
Library of Congress eng Leader (NR)wbm Offizielle Webseite
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