HOUR

Compatibility

HOUR(d)
Engine	OK	Alternative
ingres	No	EXTRACT(HOUR from d)
mysql	Yes	EXTRACT(HOUR from d)
oracle	No	TO_CHAR(d,'HH24')
postgres	No	EXTRACT(HOUR from d)
sqlserver	Yes	DATEPART(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

See also

• EXTRACT function
• +(date) function
• MONTH function
• MINUTE function
• DAY function
• SECOND function

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