MySQL
tinyint(1) tinyint(1) は明確に公式でBOOLと書いてあります。 BOOL, BOOLEAN | TINYINT | See TINYINT, above as these are aliases for TINYINT(1), currently. https://dev.mysql.com/doc/connectors/en/connector-j-reference-type-conversions.html 数…
tinyint(1) tinyint(1) は明確に公式でBOOLと書いてあります。 BOOL, BOOLEAN | TINYINT | See TINYINT, above as these are aliases for TINYINT(1), currently. https://dev.mysql.com/doc/connectors/en/connector-j-reference-type-conversions.html 数…