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Question 57

An attribute, which can be referenced to connect with primary key of another table is known as:

  1. ACandidate key
  2. BAlternate key
  3. CReferpoint key
  4. DForeign key
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Correct answer: (D) Foreign key

Explanation

A foreign key is an attribute in one table that refers to the primary key of another table, linking the two tables.

From DSSSB TGT Computer Science Practice Set 3

This is question 57 of DSSSB TGT Computer Science Practice Set 3. 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.