The Data Definition Language (DDL) includes,
CREATE TABLE - creates new database table
ALTER TABLE - alters or changes the database table
DROP TABLE - deletes the database table
CREATE INDEX - creates an index or used as a search key
DROP INDEX - deletes an index
The Data Manipulation Language (DML) includes,
SELECT - extracts data from the database
UPDATE - updates data in the database
DELETE - deletes data from the database
INSERT INTO - inserts new data into the database
The Data Control Language (DCL) includes,
GRANT – gives access privileges to users for database
REVOKE – withdraws access privileges to users for database
The Transaction Control (TCL) includes,
COMMIT – saves the work done
ROLLBACK - restore the database to original since the last COMMIT
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