Database Systems Competitive Exam MCQs – Practice Test 5 (Chapter 12)
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MCQ 21: A set of roles is created in the database and authorizations can be granted to:
MCQ 22: To revoke an authorization, we use the statement:
MCQ 23: Roles can be granted to users, as well as to other:
MCQ 24: In the authorization graph, a user has an authorization if and only if there is a path from the:
MCQ 25: In most database systems, cascading revocation is the:
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