Standard SQL statement type

Source: Internet
Author: User

Standard SQL statement type

1. query statement: mainly completed by the select keyword

2. transaction control statement: mainly completed by three keywords: commit, rollback, and savepoint

3. DML statements: these statements are mainly completed by three keywords: insert, update, and delete.

4. DDL (Data Definition Language) Statements: mainly completed by four keywords: create, alter, drop, and truncate

5. DCL (Data Control Language) Statement: mainly completed by two keywords: grant and revoke

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