window functions

External Article

Introduction to T-SQL Window Functions

  • Article

T-SQL window functions were introduced in 2005 with more functionality added in 2012. Many database professionals are not aware of these useful functions. In this article, Kathi Kellenberger provides a quick overview of just what a window function is as well as examples of each type of function.

2018-06-28

4,353 reads

External Article

Window Functions in SQL

  • Article

SQL's windowing functions are surprisingly versatile, and allow us to cut out all those self-joins and explicit cursors. Joe Celko explains how they are used, and shows a few tricks such as calculating deltas in a time series, and filling in gaps.

2013-11-14

7,422 reads

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Question of the Day

Running SQLCMD I

I run the SQLCMD utility as follows:

lcmd -S localhost -E
I then type this (the 1> is the prompt):
1> select @@version go
If I hit enter, what happens?

See possible answers