EstimateRowsWithoutRowGoal helps you see: is it a statistics problem?
SQL Server Management Studio version 17.5 adds a welcome feature for execution plans: a new visual attribute named EstimateRowsWithoutRowGoal.
Overheard: “I just think there’s not that many women who enjoy coding. And I say that based on my daughter, too.”
I’m at the Microsoft MVP Summit in Redmond, Washington this week. This is a great event for learning from the folks building amazing new technology at Microsoft, giving feedback and representing the community, and meeting and learning from other MVPs from around the world.
Forced Plan Confusion: Is_Forced vs Use Plan = True
Identifying that a query plan has been bossed around in Query Store can be a bit tricky, because it can appear in different ways.
Why I Love the Automatic Plan Correction Auto-Tuning Feature
I’m thrilled to have just finished and published a new course on Automatic Tuning in SQL Server. This feature is available in SQL Server 2017+ and Azure SQL Database.
Update: this course is now open and totally free to all.
Infographic: Conference Prep for Anxious Folk
I’m honored to be heading to the Microsoft MVP Summit. I really enjoy this conference– it’s not my first time going, so I know the ropes. I’m looking forward to seeing a bunch of old friends AND to connect to lots and lots of new people.
But even though I am familiar with the conference, I have a list of things I do to get ready and prepare. That’s because…
Using YouTube Captions & Transcript to Find Content in a Long Video
This week, I was pretty pumped to see that PASS published Erin Stellato (twitter) and Dejan Krakovic’s (linked in) excellent session on Query Store to the public. I attended this session live at the conference, and I remembered that there was one specific part on memory limits in Query Store that I wanted to watch again. I’d jotted down a note about it, but things were flying by and my note was gibberish.
When Should I Use Explicit Transactions for Single Statements?
I got a great question about transactions by email recently about transactions.
New SQLChallenge: Defuse the Deadlock
When I first created SQLWorkbooks, I distilled what it was all about down into one sentence: “Learn SQL Server by Solving Problems.”
This month, I introduce my first SQLChallenge, which distills that down into practice. The SQLChallenge features 23 minutes of video with scripts that you can use to reproduce and solve the problem yourself.
When Were Statistics Last Updated for a Heap?
I got a question last week from a very smart fellow:
How can I tell when statistics were last updated for a heap?
Before I could email him back, I soon got another email in which he answered his own question.