years_diff
Description
Returns the year difference between two date expressions (expr1
− expr2
), accurate to the year.
Syntax
BIGINT years_diff(DATETIME expr1,DATETIME expr2);
Parameters
-
expr1
: the end time. It must be of the DATETIME or DATE type. -
expr2
: the start time. It must be of the DATETIME or DATE type.
Return value
Returns a BIGINT value.
NULL is returned if the date does not exist, for example, 2022-02-29.
Examples
select years_diff('2010-11-30 23:59:59', '2000-11-1 23:59:59');
+---------------------------------------------------------+
| years_diff('2010-11-30 23:59:59', '2000-11-1 23:59:59') |
+---------------------------------------------------------+
| 10 |
+---------------------------------------------------------+
select years_diff('2010-11-30', '2000-11-1');
+---------------------------------------+
| years_diff('2010-11-30', '2000-11-1') |
+---------------------------------------+
| 10 |
+---------------------------------------+