DATE_SUB
Syntax
DATE_SUB(date,INTERVAL expr unit)
Description
Performs date arithmetic. The date argument specifies the
starting date or datetime value. expr is an expression specifying the
interval value to be subtracted from the starting date. expr is a
string; it may start with a "-" for negative intervals. unit is a
keyword indicating the units in which the expression should be interpreted. See Date and Time Units for a complete list of permitted units.
See also DATE_ADD().
Examples
SELECT DATE_SUB('1998-01-02', INTERVAL 31 DAY); +-----------------------------------------+ | DATE_SUB('1998-01-02', INTERVAL 31 DAY) | +-----------------------------------------+ | 1997-12-02 | +-----------------------------------------+
SELECT DATE_SUB('2005-01-01 00:00:00', INTERVAL '1 1:1:1' DAY_SECOND); +----------------------------------------------------------------+ | DATE_SUB('2005-01-01 00:00:00', INTERVAL '1 1:1:1' DAY_SECOND) | +----------------------------------------------------------------+ | 2004-12-30 22:58:59 | +----------------------------------------------------------------+
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