DDL (Data Definition Language)

• CREATE
• DROP
• ALTER
• TRUNCATE
• COMMENT
• RENAME

DML (Data Manipulation Language)

• SELECT
• INSERT
• UPDATE
• DELETE

DCL (Data Control Language)

• GRANT - Gives users access privileges to database objects.
• REVOKE - Withdraw users access privileges given by using the GRANT command.

TCL (Transaction Control Language)

• COMMIT - commits a transaction.
• ROLLBACK - Rollbacks a transaction in case of error occurs.
• SAVEPOINT - Sets a savepoint within a transaction.
• SET TRANSACTION - Specify characteristics for the transaction.