T-SQL - Introduction To Window Functions

You can optimize your queries to obtain simple and elegant solutions to a variety of problems by using Window Functions in T-SQL. In this video tutorial, let us learn how.

Window Functions

A window Function is an SQL function where the input values are taken from a "window" of one or more rows in the resultset of a SELECT statement. Window Functions are distinguished from other SQL functions by the presence of an OVER clause. In this lesson, you will learn the basics of the Window Functions in just over 20 minutes.