List of top Database Management Systems Questions asked in CUET (UG)

A tuple within a relation must be ______.

Which two constraints when applied together will produce a primary key constraint?

Which two constraints when applied together will produce a primary key constraint ?
(A) NOT NULL
(B) UNIQUE
(C) DEFAULT
(D) ZERO
Choose the correct answer from the options given below:

Which statement is used to add a constraint in existing attribute of a relation?