Database Systems Certification MCQs – Practice Test 3 (Chapter 10)
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MCQ 11: The Cartesian product operation concatenates the:
MCQ 12: The outer join basically have forms of operation of:
MCQ 13: The operation that works like assignment in a programming language, is said to be:
MCQ 14: A natural join allows combination of certain selections and a Cartesian product into:
MCQ 15: The expression r -s represents a:
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