Database Systems MCQs – Practice Test 15 (Chapter 10)
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Free Formal Relational Query Languages Quiz App Download (Android & iOS): Expression that would produce a relation containing the tuples in r but not in s, is; MCQ with answers: r - s, r + s, r / s, and r ^ s. Learn Indexing in DBMS Quiz Questions, download Google Book (Free Chapter) to advance remote instruction.
MCQ 71: The tuple relational calculus language is of type:
MCQ 72: The expression that would produce a relation containing the tuples in r but not in s, is:
MCQ 73: A relation basically is by definition a subset of a:
MCQ 74: For the union operation, the relations r and s must be of the same:
MCQ 75: A query that involves a Cartesian product includes a:
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