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What is a subquery?

What is a subquery? Correct Answer A subquery is a select-from-where expression that is nested within another query

A subquery is a select-from-where expression that is nested within another query. Common uses for sub-queries are to perform tests for set membership, make set comparisons etc.

Related Questions

A correlated subquery is processed as a nested subquery.
Which of the following is a correlated subquery?
Which is not true of a correlated subquery?
A correlated subquery is where the outer query depends on data from the inner query.
Which operator is used to check the existence of a record in a subquery?
The EXISTS operator returns true if the subquery returns no records.
The WHERE clause with NOT EXISTS operator is satisfied if how many rows are returned by the subquery?
If subquery of a query with ALL operator returns zero rows then the condition evaluates to be _______
If a subquery of ANY operator returns zero rows then the condition evaluates to be _______
Aggregate functions can be used in the select list or the_______clause of a select statement or subquery. They cannot be used in a ______ clause.