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Chapter 15: Database Systems Exam Tests
Database Systems MCQs - Chapter 15
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MCQ 1: The with clause, was introduced in
MCQ 2: To specify duplicate retention, we can use the keyword in place of distinct, which is
MCQ 3: An identifier, that is used to rename a relation is referred to as a
MCQ 4: The exist construct returns true as a value, if the argument subquery is
MCQ 5: If any of the input values is null, the result of an arithmetic expression, would be
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