Press "Enter" to skip to content

Data Analysis with Window Functions

Erika Balla looks out the window:

Window functions are an advanced feature of SQL that provides powerful tools for detailed data analysis and manipulation without grouping data into single output rows, which is common in aggregate functions. These functions operate on a set of rows and return a value for each row based on the calculation against the set.

In this article, we delve into window functions in SQL Server. You will learn how to apply various window functions, including moving averages, ranking, and cumulative sums, to achieve comprehensive analytics on data sets. 

Click through for several examples.