What is a correlated subquery?

Question

What is a correlated subquery?

Answer 1

A correlated subquery is a type of subquery that is executed before the outer query.

Answer 2

A correlated subquery is a synonym for a nested subquery.

Answer 3

A correlated subquery is a synonym for a join.

Answer 4

A correlated subquery is a type of subquery that is always nested within another subquery.

Answer 5

A correlated subquery is a subquery that references a column from the outer query.

Answer 6

A correlated subquery is a subquery that is executed independently of the outer query.

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