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Chapter 15: Database Systems Exam Tests
Database Systems MCQs - Chapter 15
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MCQ 31: The result of Boolean expression 'true and unknown' is
MCQ 32: The query for finding the department names of all instructors, is
MCQ 33: If 'A' is null for a particular tuple, then the expression result must also be null for that
MCQ 34: SQL prevents any update to the database that violates an
MCQ 35: Since duplicate retention is the default, we shall not use
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