What is a correlated sub-query?

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answerhappygod
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What is a correlated sub-query?

Post by answerhappygod »

a) An independent query that uses the correlation name of another independent query.
b) A sub-query that uses the correlation name of an outer query
c) A sub-query that substitutes the names of the outer query
d) A sub-query that does not depend on its outer query’s correlation names
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