Query Store, Plan Forcing and Table Variables
This weekend I was in Stockholm in Sweden, talking Query Store and plan forcing with Steinar Anderson, when he mentioned the problems he had while forcing plans that had...
The...
2019-05-06
Database Performance
SQL Server Monitoring Week – SQL Plan Warnings
Today I begin a week-long series where I will be discussing various SQL Server Monitoring Tools. My primary job is to help people with my consulting workshop Comprehensive Database...
2019-04-26
Why Plan Cache Scripts Can Be Misleading
A Long Way From Home Most scripts (even ones I’ve worked on!) that look at the plan cache, have had…
2019-04-26
Yes, pulling just the data you need is really important.
I was asked the other day why a customer was having performance issues on a table. A simple SELECT that ... Continue reading
The post Yes, pulling just the data...
2019-04-24
When READPAST Doesn’t Read Past
Oh, Bother Sometimes, you only wanna work on one thing. Other times, you only wanna work on something if it’s…
2019-04-24
Slightly Less Not SARGable
Date Debate Searching dates is a common enough task. There are, of course, good and bad ways to do this.…
2019-04-22
Which Database is Causing the Problem?
You’ve got one SQL Server hosting a bunch of databases, and performance is bad. Which database should you focus on first? Here are a few ways you can pick...
2019-04-17
Index scans aren’t always bad, and index seeks aren’t always great.
Somewhere along the way in your career, you were told that: Index seeks are quick, lightweight operations Table scans are ugly, slow operations And ever since, you’ve kept an...
2019-04-16
Have Your Batch Updates Become Unmanageable?
Look, I’m telling you this as a friend. Seriously, it’s time to let go of your batch updates. It’s not a...
2019-04-16
When Inline UDFs are Slower
Brent Ozar has been digging deep into new functionality in SQL Server 2019: In the Froid white paper, Microsoft talked about how they were working on fixing the function...
2019-04-15
Blogs
DiskANN Experiment — Exploring Entry Points and Graph Neighborhoods
Introduction I was experimenting with vector search in SQL Server 2025 using approximately 3.8...
T-SQL Tuesday #203: Risk and Reward
By Steve Jones
This is timely, as I’m currently on a boat in the Adriatic taking a...
dataMinds Connect 2026 – Slides & Scripts
You can find the slides and SQL scripts for my session “Spice up your...
Forums
Training the next generation
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Reusing Customer Specific Order Filtering Logic with CROSS APPLY and an Inline TVF (Part 4)
Comments posted to this topic are about the item Reusing Customer Specific Order Filtering...
PostgreSQL psql Meta Commands: Databases
Comments posted to this topic are about the item PostgreSQL psql Meta Commands: Databases
Question of the Day
PostgreSQL psql Meta Commands: Databases
Which of the following meta commands (sometimes called backslash or slash commands) within psql will provide you with information about the databases on the cluster?
See possible answers