Which of the following is a correlated subquery?

  1. Uses the result of an inner query to determine the processing of an outer query.

  2. Uses the result of an outer query to determine the processing of an inner query.

  3. Uses the result of an inner query to determine the processing of an inner query.

  4. Uses the result of an outer query to determine the processing of an outer query.


Correct Option: B

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