The join operation can be defined as

2008

The join operation can be defined as

  1. A.

    a cartesian product of two relations followed by a selection

  2. B.

    a cartesian product of two relations

  3. C.

    a union of two relations followed by cartesian product of the two relations

  4. D.

    a union of two relations

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Correct answer: A

The join operation is used to combine rows from two or more tables based on a related column between them.

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