Q. Suppose the user finds the usage of room number and phone number in a relational schema there is confusion.This is reduced by

(A) Unique-role assumption
(B) Unique-key assignment
(C) Role intergral assignment
(D) None of the mentioned

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✅ Correct Answer: (A) Unique-role assumption

Published by Mr. Dubey ⭐ 104.82K Points at 16-Sep-2023 03:24 pm in Database Management System (DBMS)

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