Index-Based Statistics Updates

Michael Bourgon has a script to get information on statistics updates for stats based off of indexes:

Quickie, based off an earlier post. (http://thebakingdba.blogspot.com/2012/02/tuning-statistics-when-were-they.html)

Get the last 4 stat updates for every statistic based on an index. The filter is on the auto_created; flip that to get all the system

This does use the DBCC SHOW_STATISTICS command, which reminds me of a rant (though not about Michael’s code; it’s about the need to use this DBCC command rather than having a nice DMV which returns all of the relevant information).

Related Posts

Collecting Statistics Usage Info

Grant Fritchey shows us how (safely) to collect data on statistics usage: Years ago I was of the opinion that it wasn’t really possible to see the statistics used in the generation of a query plan. If you read the comments here, I was corrected of that notion. However, I’ve never been a fan of using […]

Read More

Understanding DBCC SHOW_STATISTICS Outputs

Bill Wolf continues his series on statistics by looking at what DBCC SHOW_STATISTICS gives you: When I was putting together the lesson plans for this, I wanted to make my own query for the comparisons, not borrow one from another site or blog.  Yes, I borrow plenty, but I wanted this to be mine.  When […]

Read More

Categories

August 2016
MTWTFSS
« Jul Sep »
1234567
891011121314
15161718192021
22232425262728
293031