Question

How many types of constraints are present in sql server?

Answer 1

There are 6 types of constraints in Sql Server:-
Primary key constraint.
Foreign Key constraint.
Unique Key constraint.
Not Null constraint.
Check constraint
Default constraint

Answer 2

✔✔✔✔✔Ur answer✔✔✔✔✔

Explanation: The ON UPDATE clause defines the actions that are taken if you try to update a candidate key value to which existing foreign keys point. ✔✔✔✔

9. How many types of constraints are present in SQL Server.✔✔✔✔

Explanation: Constraints......

•Primary key✔
•Foreign Key✔
•Unique Key✔
•Not Null✔
•Check....Default.✔