Joe Fleming wants to know how I solve weird problems. I’m not sure I’m actually qualified to answer this question since I, myself, am a weird problem, but I’ll...
2025-06-30 (first published: 2025-06-10)
307 reads
I have a proper blog post coming out tomorrow for T-SQL Tuesday, but today, celebrate with me that SSMS 21 finally, at long last, fixes the irritating fact that...
2025-06-23 (first published: 2025-06-09)
957 reads
I’m working on an update to my Query Performance Tuning book for SQL Server 2025 and I found myself wondering, will a query hint be immediately apparent in an...
2025-06-11 (first published: 2025-05-26)
463 reads
I won’t try to pretend otherwise, I’ve had some mixed feelings about Stack Overflow for a long time. I think the concept of the place, ask a question, get...
2025-06-04 (first published: 2025-05-21)
394 reads
I recently was privileged to speak at SQLDay in Wroclaw Poland… man, I love visiting Poland… Anyway… Great event. Worth your time to attend, and if you’re a speaker,...
2025-05-22
26 reads
You know I had to do it as soon as I found it was possible. Yes, I installed and enabled AI in the DBeaver Query Editor so I can...
2025-05-21 (first published: 2025-05-05)
241 reads
Just a quick one this morning. I’m on the road and haven’t worked up a full blog post, apologies. I’ve been using the preview for SQL Server Management Studio...
2025-05-12
42 reads
Yeah, yeah, second AI post in a row. I promise not to make a habit of it. But I saw someone else mention that you can feed them XML...
2025-05-07 (first published: 2025-04-21)
538 reads
This is not database related, so if you’re not interested in hearing about something besides SQL Server, PostgreSQL, DevOps, community or data management in general, time to move on....
2025-04-30
18 reads
I’m sure I’ve never mentioned that I’m an amateur radio operator. Like Vegans and Cross Fitters, we tend to be shy and withdrawn about our predilections. BWA-HA-HA! Ok, like...
2025-04-28 (first published: 2025-04-11)
343 reads
It’s been forgotten about and neglected for few years but I’ve decided to dust...
I am honored to announce that I have been renewed as a Microsoft MVP...
By Rohit Garg
🔍 Demystifying KTLO: A Deep Dive into Keep The Lights On Work in IT...
Comments posted to this topic are about the item How a Legacy Logic Choked...
Comments posted to this topic are about the item Navigating Multi Platform Realities in...
I have tried a number of times to export and then import my SSMS...
For the Question of the day, I am going to go deep, but try to be more clear, as I feel like I didn't give enough info last time, leading folks to guess the wrong answer... :) For today's question: You’re troubleshooting a performance issue on a critical stored procedure. You notice that a previously efficient query now performs a full table scan instead of an index seek. Upon investigating, you find that an NVARCHAR parameter is being compared to a VARCHAR column in the WHERE clause. What is the most likely cause of the query plan regression?
See possible answers