Does MySQL have boolean?

What is boolean in MySQL?

Bool, Boolean: These types are synonyms for TINYINT(1). A value of zero is considered false. Non-zero values are considered true.

Can MySQL return boolean?

MySQL doesn't really have booleans. TRUE and FALSE are aliases to 1 and 0, and the BOOL column type is just an alias for TINYINT(1) . All expressions that appear to give boolean results actually return 0 or 1.

Does SQL allow boolean?

SQL Server Boolean There is no boolean data type in SQL Server. However, a common option is to use the BIT data type. A BIT data type is used to store bit values from 1 to 64. So, a BIT field can be used for booleans, providing 1 for TRUE and 0 for FALSE.

How do you declare a boolean variable in MySQL?

To deal with Boolean in MySQL, you can use BOOL or BOOLEAN or TINYINT(1). If you use BOOL or BOOLEAN, then MySQL internally converts it into TINYINT(1). In BOOL or BOOLEAN data type, if you use true literal then MySQL represents it as 1 and false literal as 0 like in PHP/ C/ C++ language.