Open In App

ISRO | ISRO CS 2018 | Question 14

Like Article
Like
Save
Share
Report

Which of the following is dense index?

(A) Primary index
(B) Clusters index

(C) Secondary index
(D) Secondary non key index


Answer: (C)

Explanation: Dense index: In a dense index, an index entry appears for every search-key value in the file. In a dense clustering index, the index record contains the search-key value and a pointer to the first data record with that search-key value. It is also a secondary index.

Option (C) is correct.

Quiz of this Question


Last Updated : 05 Mar, 2021
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads