HOUR

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Compatibility
HOUR(d)
EngineOKAlternative
ingresNoEXTRACT(HOUR from d)
mysqlYesEXTRACT(HOUR from d)
oracleNoTO_CHAR(d,'HH24')
postgresNoEXTRACT(HOUR from d)
sqlserverYesDATEPART(HOUR,d)

HOUR

HOUR allows you to retrieve the hour from a datetime.

   HOUR(d)

In this example you get the hour from the datetime field whn.

SELECT EXTRACT(HOUR FROM whn) AS v
      ,whn
      ,wht
  FROM eclipse
SELECT EXTRACT(HOUR FROM whn) AS v
      ,whn
      ,wht
  FROM eclipse
SELECT TO_CHAR(whn,'HOUR') AS v
      ,whn
      ,wht
  FROM gisq.eclipse
SELECT HOUR(whn) AS v, whn, wht
  FROM eclipse

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