Q. A constraint requires that an entity belong to no more than one lower- level entity set.

(A) disjointness
(B) uniqueness
(C) special
(D) relational

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✅ Correct Answer: (A) disjointness

Published by Mr. Dubey ⭐ 109.87K Points at 16-Sep-2023 03:25 pm in Database Management System (DBMS)

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