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SQL Server Implicit Conversions Hurt Performance

Ever wonder why your carefully crafted indexes aren't getting used? The problem might be column-side implicit conversions. Links below.

Blog post: https://blog.bertwagner.com/are-your-indexes-being-thwarted-by-mismatched-datatypes-d3985375e528

Microsoft's chart of data type conversions: https://docs.microsoft.com/en-us/sql/t-sql/data-types/data-type-conversion-database-engine

Jonathan Kehayias's script for finding column side implicit conversions in your plan cache: https://www.sqlskills.com/blogs/jonathan/finding-implicit-column-conversions-in-the-plan-cache/

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Видео SQL Server Implicit Conversions Hurt Performance канала Bert Wagner
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1 августа 2017 г. 17:00:02
00:05:07
Bert Wagner
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