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

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{| class=wikismall
+
{| class=wikismall width=100%
| a || Language material / Sprachmaterial<br><small>gedruckte, als Mikroform vorliegende und elektronische</small>
+
| a || width=100% | Language material / Sprachmaterial<br><small>gedrucktes, als Mikroform vorliegendes und elektronisches</small>
 
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| c || Notated music / Notierte Musik
 
| c || Notated music / Notierte Musik
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{| class=wikismall width=100%
| a || Monographic component part /  
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| a || width=100% | Monographic component part /  
 
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| b || Serial component part /  
 
| b || Serial component part /  
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{| class=wikismall
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| # || No specified type /  
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| # || width=100% | No specified type /  
 
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| a || Archival /  
 
| a || Archival /  
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| # || MARC-8 /  
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| # || width=100% | MARC-8 /  
 
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| a || UCS/Unicode /  
 
| a || UCS/Unicode /  
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| 2 || Number of character positions used for indicators /  
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| 2 || width=100% | Number of character positions used for indicators /  
 
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| 2 || Number of character positions used for a subfield code /  
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| 2 || width=100% | Number of character positions used for a subfield code /  
 
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{| class=wikismall
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| [number] || Length of Leader and Directory /  
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| [number] || width=100% | Length of Leader and Directory /  
 
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| # || Full level /  
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| # || width=100% | Full level /  
 
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| 1 || Full level, material not examined /  
 
| 1 || Full level, material not examined /  
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| # || Non-ISBD /  
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| # || width=100% | Non-ISBD /  
 
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| a || AACR 2 /  
 
| a || AACR 2 /  
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| # || Not specified or not applicable /  
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| # || width=100% | Not specified or not applicable /  
 
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| a || Set /  
 
| a || Set /  
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| 4 || Number of characters in the length-of-field portion of a Directory entry /  
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| 4 || width=100% | Number of characters in the length-of-field portion of a Directory entry /  
 
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| 0 || Number of characters in the implementation-defined portion of a Directory entry /  
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Version vom 21. Februar 2019, 20:50 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 / Datensatzlänge
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.
  • Koha: Wird automatisch ausgefüllt, kann auf 00000 gesetzt werden
05 Record status / Datensatzstatus
Die Position zeigt die Beziehung zwischen dem Datensatz und einer Datei an.
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 / Sprachmaterial
gedrucktes, als Mikroform vorliegendes und elektronisches
c Notated music / Notierte Musik
d Manuscript notated music / Handschriftlich notierte Musik
e Cartographic material / Kartografisches Material
f Manuscript cartographic material / Handschriftliches kartografisches Material
g Projected medium / Projiziertes Medium
i Nonmusical sound recording / Nichtmusikalische Tonaufnahme
j Musical sound recording / Musikalische Tonaufnahme
k Two-dimensional nonprojectable graphic / Zweidimensionale, nichtprojizierbare Grafik
m Computer file / Datei
o Kit / Medienkombination
p Mixed materials / Uneinheitliche Materialien
r Three-dimensional artifact or naturally occurring object / Dreidimensionales Artefakt oder natürlich vorkommendes Objekt
t Manuscript language material / Handschriftliches Sprachmaterial
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
country US.gif Library of Congress eng Leader (NR)wbm Offizielle Webseite