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Default Constraint
What is default constraint? How we you apply it?
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What are the types of SQL Statement ?
Data Definition Language : CREATE,ALTER,DROP,TRUNCATE,REVOKE,NO AUDIT & COMMIT.Data Manipulation Language: INSERT,UPDATE,DELETE,LOCK TABLE,EXPLAIN PLAN & SELECT.Transactional Control: COMMIT & ROLLBACKSession Control: ALTERSESSION & SET ROLESystem Control : ALTER SYSTEM.
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