Database Systems Quizzes
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MCQ: The database security is responsible for providing
MCQ: Execution of multiple statements in a single call is being
MCQ: If there is a chain of foreign-key dependencies across multiple relations, a deletion or update at one end of the chain may propagate
MCQ: In the relational algebra, the select, project, and rename operations are known as
MCQ: If any of the foreign-key columns is null, the tuple is defined automatically to satisfy the