Lead and Lag Functions in SQL Server (Analytical Functions) #windowfunction #partitionby #overclause

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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 two interesting functions, a) Lag() b) Lead ()

For working with this, you just need to install MS SQL Server Studio:

Local Host Server:

Adventure Works Sample Database: Just Plug and Play(Restore):
  1. DataExplained
  2. T-SQL
  3. Analytical Functions in SQL
  4. row number ()
  5. partition by ()
  6. over clause
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Awesome...very well explained! Thanks bro..

vg