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TIMESTAMPDIFF
Find between two date or datetime objects the time difference in the specified unit.
Syntax
TIMESTAMPDIFF ({YEAR | QUARTER | MONTH | WEEK | DAY | HOUR | MINUTE | SECOND | MICROSECOND}, date1, date2)
Arguments
- date1, date2: a valid date, datetime, or parsable date string
Return Type
Integer. If date1 or date2 is not a valid date, returns NULL.
Examples
select timestampdiff(QUARTER, '2009-02-13', '2013-09-01');
+----------------------------------------------------+
| timestampdiff(QUARTER, '2009-02-13', '2013-09-01') |
+----------------------------------------------------+
| 18 |
+----------------------------------------------------+
select timestampdiff(SECOND, '2009-02-14 01:17:01', '2009-02-13 23:31:30');
+---------------------------------------------------------------------+
| timestampdiff(SECOND, '2009-02-14 01:17:01', '2009-02-13 23:31:30') |
+---------------------------------------------------------------------+
| -6331 |
+---------------------------------------------------------------------+
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