How to store a date like February 30th in a MySQL date column?

Suppose we want to store a date such as February 30th in a MySQL table, then we must first enable ALLOW_INVALID_DATES mode.

For example, if I try to add such a date in the table without enabling ALLOW_INVALID_DATES mode, MySQL will give the following error message:

mysql> Insert into date_testing(date) values('2017-02-30');
ERROR 1292 (22007): Incorrect date value: '2017-02-30' for column
'Date' at row1

Now we need to enable ALLOW_INVALID_DATES mode as follows −

mysql> SET sql_mode = 'ALLOW_INVALID_DATES';
Query OK, 0 rows affected (0.00 sec)

mysql> Insert into date_testing(date) values('2017-02-30');
Query OK, 1 row affected (0.14 sec)

mysql> select * from date_testing;
+------------+
| Date |
+------------+
| 2017-02-30 |
+------------+
1 row in set (0.00 sec)

The above MySQL query will allow us to insert such invalid dates in the column.

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