Which operation is performed by the SUBTRACT command in relational algebra?
A) union
B) difference
C) product
D) intersection

Name: Which operation is performed by the SUBTRACT command in relational algebra? A) union B) difference C) product D) intersection
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Question

Quizplus · Accepted Answer

The SUBTRACT command in relational algebra is equivalent to the set difference operation, which retrieves all tuples from one relation that are not in another relation. Therefore, the correct choice is B, difference.

Which Operation Is Performed by the SUBTRACT Command in Relational