Registration

Discussion

1) What are constraints are used in sql?

A) CНЕCK

B) UNIQUE

C) PRIMARY KEY

D) all of the above

Answer Is: (D)

Explanation:
No answer description available for this question.

Comments (0)

Leave your comment

Comment

Please enter comment.

Name: *

Please enter name.

Email: *

Please enter valid email address.

Website:

Please enter valid website URL.