How Statistics In SQL Server Have Changed Over The Years

Erin Stellato gives us a version-based timeline of how SQL Server has handled statistics over the years:

SQL Server 2008

This is a very interesting historical look.  Most interesting to me was the decreases in the number of steps available.

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Errors Updating Stats on Columnstore Indexes

Max Vernon walks us through some problems trying to update statistics on columnstore indexes: The first error above would be seen if you have a SQL Server Agent job that updates statistics. The second error is how it looks in an SSMS Query window. The error message claims that UPDATE STATISTICS can only be used on a […]

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SET STATISTICS IO And Automated Statistics Updates

Niko Neugebauer shows us something new in SQL Server 2019: There has never been such information before!We are just writing into it!Why do we have those wonderful 1351498 logical reads ?Are they actually writes ? And if they would be, would not it be correct to display them as physical accesses ? The answer is […]

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