Data Definition Language (DDL) defines the structure of the database: CREATE, ALTER, DROP, Data Query Language (DQL) retrieves data from the database: SELECT, Data Manipulation Language (DML) manipulates data stored in a database: INSERT, UPDATE, DELETE, Data Control Language (DCL) controls database user access: GRANT, REVOKE, Data Transaction Language (DTL) manages database transactions: SAVEPOINT , ROLLBACK, COMMIT,

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