Nov 15, 2025 · A subquery in SQL is a query nested inside another SQL query. It allows complex filtering, aggregation and data manipulation by using the result of one query inside another.

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 statement or inside …

Nov 18, 2021 · Here are 5 SQL subquery examples demonstrating how to use scalar, multirow, and correlated subqueries in the WHERE, FROM, JOIN, and SELECT clauses.

Learn how to use subqueries in SQL for advanced data manipulation and analysis. Explore different types of SQL subqueries, usage methods, applications, and best practices.

Subquery 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 …

Nov 18, 2025 · Look at an example of a subquery, which is a query that is nested in a SELECT, INSERT, UPDATE, or DELETE statement, or inside another subquery in SQL Server.

In this tutorial, you'll learn about SQL subquery, a query nested within another query, to form flexible queries.

Jul 23, 2025 · A subquery (also known as a nested query or inner query) is a query placed inside another query. The subquery is executed first, and its result is used by the outer query for further …

SQL Subqueries An SQL Subquery, is a SELECT query within another query. It is also known as Inner query or Nested query and the query containing it is the outer query. The outer query can contain the …

Nov 18, 2016 · SQL subqueries with examples. Explore IN, EXISTS, ANY, ALL operators, the difference between correlated and nested subqueries, and more in this guide.