What Is The Sub-query?

1.	What Is The Sub-query?
Answer» Sub-query is a query WHOSE RETURN VALUES are used in filtering conditions of the main query. Sub-query is a query whose return values are used in filtering conditions of the main query.

Answer»

Sub-query is a query WHOSE RETURN VALUES are used in filtering conditions of the main query.

Sub-query is a query whose return values are used in filtering conditions of the main query.

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