Skip to content
Related Articles

Related Articles

Improve Article
Save Article
Like Article

ISRO | ISRO CS 2017 | Question 16

  • Last Updated : 13 Mar, 2018

Consider the following query :

SELECT E.eno, COUNT(*)
FROM Employees E
GROUP BY E.eno

If an index on eno is available, the query can be answered by scanning only the index if

(A) the index is only hash and clustered
(B) the index is only B+tree and clustered
(C) index can be hash or B+ tree and clustered or non-clustered
(D) index can be hash or B+ tree and clustered


Answer: (C)

Explanation:

Quiz of this Question
Please comment below if you find anything wrong in the above post

My Personal Notes arrow_drop_up
Recommended Articles
Page :

Start Your Coding Journey Now!