A directory of Objective Type Questions covering all the Computer Science subjects. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews.

Discussion Forum

Que. A primary key should be defined as:
a. NULL
b. NOT NULL
c. Either of the above can be used
d. None of the above are correct
Answer:NOT NULL
Confused About the Answer? Ask for Details Here
Know Explanation? Add it Here