BOOLEAN or TINYINT confusion

Question

I was designing a database for a site where I need to use a boolean datetype to store only 2 states, true or false. I am using MySQL.
While designing the database using

Answer 1

MySQL does not have internal boolean data type. It uses the smallest integer data type - TINYINT.

The BOOLEAN and BOOL are equivalents of TINYINT(1), because they are synonyms.

Try to create this table -

CREATE TABLE table1 (
  column1 BOOLEAN DEFAULT NULL
);

Then run SHOW CREATE TABLE, you will get this output -

CREATE TABLE `table1` (
  `column1` tinyint(1) DEFAULT NULL
)