QUARTER

Compatibility

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

QUARTER

QUARTER allows you to retrieve the 3 month period from a date.

QUARTERS

First Quarter	January 1	March 31
Second Quarter	April 1	June 30
Third Quarter	July 1	September 30
Fourth Quarter	October 1	December 31

   QUARTER(d)

In this example you get the quarter from the date field wk. Lately, Cliff Richard favours Q4.

SELECT wk,
       EXTRACT(QUARTER from wk) AS Quarter,
       song
  FROM totp
 WHERE singer = 'Cliff Richard'
 ORDER BY wk DESC

SELECT wk,
       TO_CHAR(wk,'QUARTER') AS Quarter,
       song
  FROM gisq.totp
 WHERE singer = 'Cliff Richard'
 ORDER BY wk DESC

SELECT wk,
       DATEPART(QUARTER,wk) AS Quarter,
       song
  FROM totp
 WHERE singer = 'Cliff Richard'
 ORDER BY wk DESC

SELECT wk,
       QUARTER(wk) AS Quarter,
       song
  FROM totp
 WHERE singer = 'Cliff Richard'
 ORDER BY wk DESC

See also

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

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