Open In App

GATE | GATE CS 2012 | Question 41

Like Article
Like
Save Article
Save
Share
Report issue
Report

Suppose (A, B) and (C,D) are two relation schemas. Let r1 and r2 be the corresponding relation instances. B is a foreign key that refers to C in r2. If data in r1 and r2 satisfy referential integrity constraints, which of the following is ALWAYS TRUE?

DBMSGATE2012

(A) A
(B) B
(C) C
(D) D


Answer: (A)

Explanation: See Question 3 of https://www.geeksforgeeks.org/database-management-system-set-2/

Quiz of this Question


Last Updated : 28 Jun, 2021
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads