Referential integrity is enforced using a:
Show answerHide answer
Correct answer: (D) Foreign key
Explanation
A foreign key must match a primary key value or be NULL.
From DSSSB TGT Computer Science Full Mock Test 2
This is question 155 of DSSSB TGT Computer Science Full Mock Test 2. 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.