Constraints are rool of data integrity. Types of Constraints are: 1)Not

what is Constraint? How many types of constraints in SQL ?

Question Posted / vijaya

Answer Posted / vijaya

Constraints are rool of data integrity.

Types of Constraints are:
1)Not Null
2)Unique
3)Primary Key
4)Check
5)References.

Is This Answer Correct ?

39 Yes

11 No

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