Subquery « Subquery « SQL Server / T-SQL Tutorial

8.1.Subquery
	8.1.1.	Building a Nested Subquery
	8.1.2.	Using Subqueries to Check for the Existence of Matches
	8.1.3.	Using Subqueries to Check for the Existence of Matches between two tables
	8.1.4.	Subqueries are SELECT statements that are nested within another T-SQL statement.
	8.1.5.	Subqueries and Comparison Operators: =
	8.1.6.	A subquery can be used with other comparison operators: <
	8.1.7.	Subqueries and IN Operator
	8.1.8.	A query that uses three subqueries
	8.1.9.	Doing calculation with subquery

	8.1.10.	Subqueries can be nested.
	8.1.11.	ID NOT IN (SELECT ID FROM Title)
	8.1.12.	Delete with subquery
	8.1.13.	Join and sub query
	8.1.14.	Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.
	8.1.15.	subquery with >=
	8.1.16.	<> ALL with subquery