Whether I’m working as a DBA, a consultant, a teacher, or just answering questions in my inbox, I always end up needing a script to inspect statistics one way or another.
Here are some freshly written scripts for a classic DBA question: what’s going on in my stats?
Should you look at automatically created statistics on your tables in SQL Server to help you design better indexes? Learn why in this 20 minute video, or subscribe to the Dear SQL DBA podcast.
No time to watch? Scroll on down, everything is written in article form below the video.
Here’s this week’s question:
Want to learn more about managing statistics updates in SQL Server? Watch my 27 minute presentation on managing statistics.
I’ve been asked a lot of questions about updating statistics in SQL Server over the years. And I’ve asked a lot of questions myself! Here’s a rundown of all the practical questions that I tend to get about how to maintain these in SQL Server.
What are statistics? How often should you update them? Do you need a trace flag to make this easier? What are duplicate statistics, and do you need to drop them?
Join me for a live Hangout on Monday, April 18 at 8:30 AM Pacific / 11:30 AM Eastern to up your maintenance game!
Update: improved/more recent version of queries for this are here.
It can be pretty difficult to manage statistics in data warehouses, or even OLTP databases that have very large tables.
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