Topic 12818 min readStructured Tutorial
Multi Row Subqueries in SQL Server
Quick Answer
Multi row subqueries in SQL Server return multiple rows and are used with operators like IN, ANY, ALL, or EXISTS to filter query results based on multiple values. They enable complex filtering and comparison in SELECT, UPDATE, and DELETE statements.
Learning Objectives
- Understand what multi row subqueries are and when to use them.
- Learn how to use multi row subqueries with IN, ANY, ALL, and EXISTS operators.
- Practice writing SQL queries that incorporate multi row subqueries for filtering data.
Introduction
In SQL Server, subqueries are queries nested inside another query. Multi row subqueries return more than one row of results.
These subqueries are useful when you want to filter or compare data against multiple values returned by another query.
A subquery is a query within a query.
