These types are synonyms for TINYINT(1).
A value of zero is considered false.
Non-zero values are considered true:
The constants TRUE and FALSE evaluate to 1 and 0, respectively.
mysql>mysql> SELECT TRUE, true, FALSE, false;+------+------+-------+-------+| TRUE | TRUE | FALSE | FALSE |+------+------+-------+-------+| 1 | 1 | 0 | 0 |+------+------+-------+-------+1 row in set (0.00 sec)mysql>
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