date_sub
Description
Syntax:
INT DATE_SUB(DATETIME date,INTERVAL expr type)
This function subtracts the specified time interval from the date.
date is a valid date expression.
expr is the interval you want to add.
type can be any of the followings: YEAR, MONTH, DAY, HOUR, MINUTE, SECOND
Example
mysql> select date_sub('2010-11-30 23:59:59', INTERVAL 2 DAY);
+-------------------------------------------------+
| date_sub('2010-11-30 23:59:59', INTERVAL 2 DAY) |
+-------------------------------------------------+
| 2010-11-28 23:59:59 |
+-------------------------------------------------+Keywords
Date, date, date