Computer Science · Database Management System
Identify the relational algebra operation(s) that produce the given output from the two relations R1 and R2: R1: Name, Class a1, 9 b1, 5 c1, 6 d1, 11 R2: Name, Class b1, 5 f1, 8 Output: Name, Class b1, 5
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1R1 ∩ R2 only
- 2R1 - R2 only
- 3R1 - (R1 - R2) only
- 4Both R1 ∩ R2 and R1 - (R1 - R2)✓
Correct answer
Both R1 ∩ R2 and R1 - (R1 - R2)
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