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Compacting Window Function Definitions

Rob Farley like a syntax change:

This was fine, but it did start to become a little cumbersome.

Enter SQL Server 2022. Not only do we get the ability to ignore nulls now, making it easy to get the last non-null value from a list, but we also get a WINDOW clause – part of the SELECT query itself, dropping in between the HAVING clause and the ORDER BY clause, allowing us to predefine those OVER clause segments.

Read on for the full scope of Rob’s thoughts.

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