Running Total, Rolling Average, First & Last (Value) using SQL window Functions.
SQL Analytical functions are user friendly functions and very good in performance when it comes to complex operations. These operations otherwise would have been super complex not only to script but also in terms of performance. In this video, we will see about a) Running Total b) Rolling Average c) Last Value d) First Value
For working with this, you just need to install MS SQL Server Studio:
https://docs.microsoft.com/en-us/sql/...
Local Host Server:
https://www.microsoft.com/en-us/sql-s...
Adventure Works Sample Database: Just Plug and Play(Restore):
https://github.com/microsoft/sql-serv...
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