Database Systems MCQs – Certification Test 1500

Relational Algebra Quiz (Question 1500) – App & e-Book Download

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MCQ: 1500

If we have relations of type r1(R1) and r2(R2), then r1 . r2 is a relation whose schema is the

Union of R1 and R2
Projection of R1 and R2
Concatenation of R1 and R2
Selection of R1 and R2

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