MySQL DATE_SUB() 函数

从日期中减去 10 天并返回日期：

SELECT DATE_SUB("2017-06-15", INTERVAL 10 DAY);

定义和用法

DATE_SUB() 函数从日期中减去时间/日期间隔，然后返回日期。

DATE_SUB( date, INTERVAL value interval)

Parameter	Description
date	Required. The date to be modified
value	Required. The value of the time/date interval to subtract. Both positive and negative values are allowed
interval	Required. The type of interval to subtract. Can be one of the following values: MICROSECOND SECOND MINUTE HOUR DAY WEEK MONTH QUARTER YEAR SECOND_MICROSECOND MINUTE_MICROSECOND MINUTE_SECOND HOUR_MICROSECOND HOUR_SECOND HOUR_MINUTE DAY_MICROSECOND DAY_SECOND DAY_MINUTE DAY_HOUR YEAR_MONTH

工作于：	从 MySQL 4.0 开始