DAY

Compatibility

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

DAY

DAY allows you to retrieve the day from a date.

   DAY(d)

In this example you get the day from the date field whn.

SELECT EXTRACT(DAY FROM whn) AS v
      ,whn
      ,wht
  FROM eclipse

SELECT EXTRACT(DAY FROM whn) AS v
      ,whn
      ,wht
  FROM eclipse

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

SELECT DAY(whn) AS v
      ,whn
      ,wht
  FROM eclipse

See also

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

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