SUBDATE
Subtracts a time interval or a number of days from a date.
MySQL 8.1
SUBDATE(date, INTERVAL expr unit | days)Parameters
- dateDATE
- Source date or datetime
- INTERVAL expr unitkeyword
- Interval to subtract: amount expr and unit, for example INTERVAL 10 DAY
- Values:MICROSECONDSECONDMINUTEHOURDAYWEEKMONTHQUARTERYEARSECOND_MICROSECONDMINUTE_MICROSECONDMINUTE_SECONDHOUR_MICROSECONDHOUR_SECONDHOUR_MINUTEDAY_MICROSECONDDAY_SECONDDAY_MINUTEDAY_HOURYEAR_MONTH
- daysINT
- Number of days, a short form instead of INTERVAL
Return value
A date if days or larger units are subtracted from a date, otherwise a datetime; if the month has no such day, its last day is used
Examples
Ten days before a date
MySQL 8.1
SELECT SUBDATE('2022-06-16', INTERVAL 10 DAY) AS new_date;Short form with days
MySQL 8.1
SELECT SUBDATE('2022-06-16', 10) AS new_date;Compound interval unit
MySQL 8.1
SELECT SUBDATE('2022-06-16', INTERVAL '1 12' DAY_HOUR) AS new_date;Details
Instead of the function, you can add or subtract an interval with an operator: date + INTERVAL 7 DAY. PostgreSQL has no such function: a date is shifted with the same operator, but the interval is written as a string: date + INTERVAL '7 days'.