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Question 83Asked in BEL PE Computer Science, 17 Dec 2023 (8:30 AM)

Which of the following statement is CORRECT regarding Referential Integrity Constraints in Relational Database Management System?

Which of the following statement is CORRECT regarding Referential Integrity Constraints in Relational Database Management System? I. Referential Integrity Constraint is a rule that maintains consistency among the rows of two tables (relations). II. Referential Integrity rule states that if there is a foreign key in one relation, either each foreign key value must match a primary key value in the other table or else the foreign key value must be null.
  1. ANeither I nor II
  2. BOnly II
  3. COnly I
  4. DBoth I and II
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Correct answer: (D) Both I and II

From BEL PE Computer Science PYQ, 17 Dec 2023 (8:30 AM)

This is question 83 of BEL PE Computer Science PYQ, 17 Dec 2023 (8:30 AM). 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.