NIELIT 2016 DEC Scientist B (IT) - Section B: 43

Question

Which of the following is a fundamental operation in relational algebra?

• A. Set intersection
• B. Natural join
• C. Assignment
• D. None of the above

Answer 1

Option D

The fundamental operations of relational algebra are as follows −

• Select
• Project
• Union
• Set different
• Cartesian product
• Rename

Answer 2

D. None of the above

As we have only two basic operation which are union and set difference