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Database Management System Practice Tests


Database Management System Online Tests

Safe Expressions MCQ Quiz Online PDF Download

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Database Management System MCQs: Safe Expressions Quiz Questions PDF Download

MCQ: In relational calculus, the expression which does not guarantees finite number of tuples is classified as

A) unsafe expression
B) safe expression
C) declarative expression
D) stable expression

MCQ: In relational calculus, the expression which guarantees finite number of tuples is classified as

A) declarative expression
B) stable expression
C) unsafe expression
D) safe expression

Practice Tests: Database Management System Exam Prep

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