What Is Subquery in Sql?
A subquery is a query that is nested inside a SELECT , INSERT , UPDATE , or DELETE statement, or inside another subquery.

What is subquery in SQL with example?

In SQL, it's possible to place a SQL query inside another query known as subquery. For example, SELECT * FROM Customers WHERE age = ( SELECT MIN(age) FROM Customers ); In a subquery, the outer query's result is dependent on the result-set of the inner subquery. That's why subqueries are also called nested queries.

Why subquery is used in SQL?

A subquery is used to return data that will be used in the main query as a condition to further restrict the data to be retrieved. Subqueries can be used with the SELECT, INSERT, UPDATE, and DELETE statements along with the operators like =, , >=,
Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.

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