MySQL/Language/Definitions: what are DDL, DML and DQL?

Data Definition Language (DDL)： CREATE, ALTER, DROP

Data Manipulation Language (DML) INSERT, UPDATE , DELETE

Data Query Language (DQL) SELECT, SHOW , HELP

Data Control Language (DCL) GRANT , REVOKE

Data Transaction Language (DTL) START TRANSACTION, SAVEPOINT, COMMIT , ROLLBACK [TO SAVEPOINT]

检索自“https://zh.wikibooks.org/w/index.php?title=MySQL/Language/Definitions:_what_are_DDL,_DML_and_DQL%3F&oldid=128673”