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MONTHS_BETWEEN

Subtracts to find the number of months between two dates.

Syntax

MONTHS_BETWEEN(date1, date2)

Arguments

Return Type

Integer. If date1 or date2 is not a valid date, returns NULL.

Examples

memsql> select months_between(date('2017-03-01'), date('2017-01-01'));  
+--------------------------------------------------------+
| months_between(date('2017-03-01'), date('2017-01-01')) |
+--------------------------------------------------------+
|                                                      2 |
+--------------------------------------------------------+
1 row in set (0.06 sec)

If date1 is in the past, the function returns a negative result.

memsql> select months_between(date('2017-01-01'), date('2017-03-01'));
+--------------------------------------------------------+
| months_between(date('2017-01-01'), date('2017-03-01')) |
+--------------------------------------------------------+
|                                                     -2 |
+--------------------------------------------------------+
1 row in set (0.06 sec)

now() can be used as one of the parameters.

memsql> select months_between('2017-10-31',now());
+------------------------------------+
| months_between('2017-10-31',now()) |
+------------------------------------+
|                  2.741935483870968 |
+------------------------------------+
1 row in set (0.06 sec)
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