SQLBits 2010

Understanding SARGability (to make your queries run faster)

SARGability relates to the ability to search through an index for a value, but many DB Pros don’t really get it – especially in regard to joins – leading to queries which don’t run as well as they should. No slides here, just demos...

There’s so much more to SARGability than people think, and people can often miss out on significant performance benefits by not appreciating this. SARGable means Search ARGument Able and relates to the ability to search through an index for a value. Unfortunately many database professionals don’t really understand it – especially in regard to joins – leading to queries which don’t run as well as they should. This is a talk involving lots of demos, showing plenty of queries and execution plans.