This is a continuing series for “Computing Running and Cumulative Average“. A cumulative sum (or running total) refers to a data set’s partial sum. It
Tag: Windowing Functions in SQL Server
First_Value, Last_Value vs Lead, Lag in SQL Server
The First_Value function in SQL Server returns the first value in an ordered set of values and the Last_Value function returns the last value in an ordered set of
First_Value, Last_Value vs Min, Max in SQL Server
The MIN and MAX functions in SQL Server can be used separately on a column level to find the lowest and maximum value of a
Computing Running & Cumulative Average
This article helps you in understanding how to calculate running average and cumulative average on a given data-set. As discussed earlier, windowing functions are
Big Data and SQL 