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Re:Can adding an index make a non SARGable query SARGable? by BrentOzar on Friday October 18, 2019 @07:56PM (#21295949)
> I had no idea what sargable was. I guess it means using an index?

Close - it refers to SQL Server being able to take your Search ARGuments (SARG) and do an index seek to jump to the rows you're looking for.

> Is this a sql server specific term?

No: https://dba.stackexchange.com/questions/162263/what-does-the...

> Why not just use a function index?

Microsoft SQL Server doesn't have those.

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