DATEPART

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Compatibility
DATEPART(YEAR, d)
EngineOKAlternative
ingresNoEXTRACT(YEAR FROM d)
mysqlNoEXTRACT(YEAR FROM d)
oracleNoEXTRACT(YEAR FROM d)
postgresNoEXTRACT(YEAR FROM d)
sqlserverYes

DATEPART

DATEPART allows you to retrieve components of a date.

You can extract also YEAR, MONTH, DAY, HOUR, MINUTE, SECOND.

   DATEPART(YEAR, d)    DATEPART(MONTH, d)
   DATEPART(DAY, d)     DATEPART(HOUR, d)
   DATEPART(MINUTE, d)  DATEPART(SECOND, d) 

In this example you get the year and the month from the date whn.

SELECT whn
      ,DATEPART(YEAR, whn)  AS yr
      ,DATEPART(MONTH, whn) AS mnth
  FROM eclipse
SELECT whn
      ,EXTRACT(YEAR FROM td)  AS yr
      ,EXTRACT(MONTH FROM td) AS mnth
  FROM eclipse

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