Collections:
What Is a Subquery in a SELECT Query Statement in SQL Server
What Is a Subquery in a SELECT Query Statement in SQL Server?
✍: FYIcenter.com
A subquery is a SELECT statement used as part of the selection criteria of the main SELECT statement. The subquery specified in the WHERE clause will be evaluated repeated on each row of the selection base table. The output of the subquery will be used in the final evaluation of the criteria. Usually, subqueries are used in the following Boolean operations:
⇒ Using Subqueries with the IN Operators in SQL Server
⇐ "AS" - Naming Query Output Columns in SQL Server
⇑ Using SELECT Statements with Joins and Subqueries in SQL Server
2016-10-29, 1153🔥, 0💬
Popular Posts:
How To Generate CREATE TABLE Script on an Existing Table in SQL Server? If you want to know how an e...
How To List All Login Names on the Server in SQL Server? If you want to see a list of all login name...
How To Use "IF ... ELSE IF ..." Statement Structures in SQL Server Transact-SQL? "IF ... ELSE IF ......
How To Convert Binary Strings into Hexadecimal Character Strings in SQL Server? When a query returns...
How To List All Login Names on the Server in SQL Server? If you want to see a list of all login name...