Jun 11, 2025 · In SQL, a subquery can be defined as a query embedded within another query. It is often used in the WHERE, HAVING, or FROM clauses of a statement. Subqueries are …

Introduction to SQL subquery # A subquery is an SQL query nested inside another query. The query that contains a subquery is known as an outer query. To write a subquery, you need to …

Nov 22, 2024 · A subquery is also called an inner query or inner select, while the statement containing a subquery is also called an outer query or outer select. Many Transact-SQL …

Nov 18, 2021 · In this article, I provide five subquery examples demonstrating how to use scalar, multirow, and correlated subqueries in the WHERE, FROM/JOIN, and SELECT clauses. A …

Feb 13, 2025 · The SQL subquery is a SELECT query that is embedded in the main SELECT statement. The subquery can be nested inside a SELECT, INSERT, UPDATE, or DELETE …

Oct 22, 2018 · A subquery is a SELECT query inside another query. It’s also called a nested query in SQL. A subquery is often used inside SELECT queries but can also be used in other …

In SQL, a SELECT statement may contain another SQL statement, known as a subquery or nested query. Example -- use a subquery to select the first name of customer -- with the …

A subquery in SQL is a query that is nested within another query. It is used to retrieve data that will be used in the main query as a filter condition, or as a source of data for a calculation. The …

May 29, 2020 · A subquery, or nested query, is a query placed within another SQL query. There are many different scenarios where you may want to include a query in the WHERE , FROM , …

Jun 10, 2022 · A subquery is nothing more than a query inside another query. We mostly use them to add a new column to the main query result, to create a filter, or to create a …