DDL Commands | Book Exchange System

24EU08128 Velisetty Saran Gowrish Book Exchange System

Home Abstract Information Model Relational Model

DDL Commands

Create Alter Drop

DML Commands

Insert Update Delete

Aggregate Operators

Sum Average Max Min Count Like Operator Group By Order By Having

Nested Query

IN NOT IN EXISTS NOT EXISTS ALL ANY

Integrity Constraints

NULL NOT NULL UNIQUE DEFAULT

Home Assignments

HA-1 HA-2 HA-3 HA-4 🌗

CREATE Command

Defines the structure of database objects.

ALTER Command

Modifies an existing database object.

DROP Command

Deletes objects from the database.