Database Systems MCQs – Practice Test 1 (Chapter 10)
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MCQ 1: A second form of relational calculus, is known as:
MCQ 2: In a natural join if the two are equivalent in an expression, is said to be:
MCQ 3: The predicate of a selection statement may include comparisons between:
MCQ 4: In the relational algebra, the select, project, and rename operations are known as:
MCQ 5: The operation of projection is a:
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