This post was originally published at An Intro to SQL Window Functions

SQL window functions are calculation functions similar to aggregate functions but, unlike normal aggregate functions like “group by,” have access to individual rows and can even add some of their attributes into the result set.

In this article, Toptal Freelance SQL Developer Neal Barnett explains the benefits of SQL functions, describes when you’d use them, and gives you real examples to help with the concepts.

Originally posted here:

This post was originally published at An Intro to SQL Window Functions