Free Database Systems MCQ App – Formal Relational Query Languages e-Book PDF
Database Systems MCQs – Practice Test 14 (Chapter 10)
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MCQ 66: In domain relational calculus, all values that appear in tuples of the expression are values from:
MCQ 67: A tuple-relational-calculus expression may generate a/an:
MCQ 68: A query expression in the tuple relational calculus is done as:
MCQ 69: We can avoid the loss of information by performing:
MCQ 70: At the result of the left outer join, the present information is from the:
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