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QWhich of the following is true for a right outer join?

ID: #2791 Relational Algebra and Calculus 1,957 views
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#2791Q ID
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Relational Algebra and CalculusTopic

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  • A It includes all the tuples from both the relations satisfying the join condition along with all the tuples in the right relation that do not have a corresponding tuple in the left relation.
  • B It includes all the tuples from both the relations satisfying the join condition along with all the tuples in the left relation that do not have a corresponding tuple in the right relation.
  • C It selects all the tuples satisfying the join condition along with the tuples for which no tuples from the other relation satisfy the join condition.
  • D None of these
Correct Answer

Explanation

It includes all the tuples from both the relations satisfying the join condition along with all the tuples in the right relation that do not have a corresponding tuple in the left relation.

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