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Extended Events and Query Store

Jason Brimhall takes us through some of the internals of Query Store as exposed by Extended Events:

One of my favorite questions to ask during some of presentations on XE is “What was the first version of SQL Server to have Query Store?” You can imagine the wide array of answers but what is interesting is how often  the correct answer is always missed. I hear lots of answers for 2012, some answers for 2017 and somewhere in between for 2016. But never does the correct answer pop up.

Right now, I hope you are scratching your head at that last statement. You see, the question is somewhat of a trick question. The first version of SQL Server that has QDS is SQL Server 2014. However, the first version where you can actually use it is SQL Server 2016. This fun fact is visible when we start exploring SQL Server from the realm of XE. Let’s take a look.

Read the whole thing.

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