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Question 9Asked in UGC NET Computer Science, December 2015 (Paper II & III, Selected Questions)

Data which improves the performance and accessibility of the database are called :

  1. AIndexes
  2. BUser data
  3. CApplication metadata
  4. DData dictionary
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Correct answer: (A) Indexes

Explanation

Indexes are special lookup tables that the database search engine can use to speed up data retrieval. An index is a pointer to data in a table, very similar to an index at the back of a book.

From UGC NET Computer Science PYQ, December 2015 (Paper II & III, Selected Questions)

This is question 9 of UGC NET Computer Science PYQ, December 2015 (Paper II & III, Selected Questions). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.