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Introduction SQL window functions are powerful tools for performing complex calculations across a set of table rows that are related to the current row. Unlike regular aggregate functions, which collapse rows into a single output, window functions ma...

1. Introduction - Database: MS SQL SERVER We have data from 20 countries on which we are performing the Grouping and Advance SQL functions like Window Functions. For grouping follow - FWGH (From - Where - Group BY - Having) Sequence. 2. Create &...
