This blog post explains how to calculate running totals in SQL Server, why you would use them and provides a breakdown of the syntax
What is a running total?
A running total is a cumulative sum that takes all the values of a sequence and adds them together. It is also called a cumulative sum
It is typically used in data analysis to calculate cumulative results over a period of time.
For example, it can be used to calculate the running sum of sales over the past year.
An example of a use case is to calculate a predicted closing inventory. As part of an inventory forecasting process. Taking into account predicted sales and expected deliveries.
Why would you want to calculate a running total?
It is an essential part of statistical and financial analysis and helps to explain trends, performance, and other changes over time. It is also helpful in forecasting sales and predicting future performance. Calculating running totals allows you to analyse data more effectively and find insights that would normally be hidden beneath the surface.
How to calculate a running total in SQL Server
SQL window functions make this relatively easy to do
Running Totals in SQL Server – Conclusion
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