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  • Data Quality 10.0
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Inhaltsverzeichnis

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  1. Vorwort
  2. Umwandlungssprache
  3. Konstanten
  4. Operatoren
  5. Variablen
  6. Datumsangaben
  7. Funktionen

Referenzhandbuch für die Umwandlungssprache

Referenzhandbuch für die Umwandlungssprache

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Unterschied zwischen YY- und RR-Formatstrings

Unterschied zwischen YY- und RR-Formatstrings

Informatica Developer
 enthält auch einen YY-Formatstring. Sowohl der RR- als auch der YY-Formatstring spezifizieren zweistellige Jahresangaben. YY und RR erzielen bei allen Datumsfunktionen identische Ergebnisse – mit Ausnahme von TO_DATE. In TO_DATE-Ausdrücken kommen RR und YY zu unterschiedlichen Ergebnissen.
Die folgende Tabelle zeigt die Ergebnisse pro Formatstring:
String
Aktuelles Jahr
TO_DATE(String, ‘MM/DD/RR’)
TO_DATE(String, ‘MM/DD/YY’)
04/12/98
1998
04/12/1998 00:00:00.000000000
04/12/1998 00:00:00.000000000
11/09/01
1998
11/09/2001 00:00:00.000000000
11/09/1901 00:00:00.000000000
04/12/98
2003
04/12/1998 00:00:00.000000000
04/12/2098 00:00:00.000000000
11/09/01
2003
11/09/2001 00:00:00.000000000
11/09/2001 00:00:00.000000000
Bei Datumsangaben im Jahr 2000 und darüber hinaus erzielt der YY-Formatstring weniger sinnvolle Ergebnisse als RR. Verwenden Sie den RR-Formatstring für alle Datumsangaben im 21. Jahrhundert.