DAYS_SUB

Description

Subtracts a specified time interval to the date.

Alias

别名

• days_sub
• date_sub
• subdate

Syntax

DATE_SUB(<date>, <expr> <time_unit>)

Parameters

Parameter	Description
<date>	A valid date value
<expr>	The time interval you want to subtract
<type>	Enumerated values: YEAR, QUARTER, MONTH, DAY, HOUR, MINUTE, SECOND

Return Value

Returns the calculated date.

Examples

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                             |
+-------------------------------------------------+