Wednesday, December 28, 2016

SQL Commands: ORACLE

SQL Commands:

1. DDL Commands (data definition language)
A. CREATE
B. TRUNCATE
C. ALTER
D. RENAME
E. DROP

2. DML Commands (Data Manipulation language)
A. INSERT
B. UPDATE
C. DELETE

3. DCL Commands (Data control language)
A. GRANT
B. REVOKE

4. TCL commands (Transaction control language)
A. COMMIT
B. ROLLABCK
C. SAVEPOINT

5. DRL command (Data Retrieval language)
A. SELECT

Note: all commands except select are physical command means they effect database,
select is a logical command and it not affect database.

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