Database Systems Exam MCQs – Practice Test 44 (Chapter 15)
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MCQ 216: The command that retains relation say "r", but deletes all tuples in r, is:
MCQ 217: Each type may include a special value called the:
MCQ 218: The predicate in the where clause is applied on the result relation of the from clause, if the:
MCQ 219: A list of the relations to be accessed in the evaluation of the query, with the clause:
MCQ 220: The from clause is a list of the relations to be:
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