As you might know, I have written a long time ago a book about Service Broker – a technology within SQL Server that almost nobody is aware of and...
2022-02-21 (first published: 2022-02-07)
436 reads
Last week we laid out the foundation for how SQL Server executes queries. I have also already talked here a little bit about pages that are buffers of 8kb....
2022-02-11 (first published: 2022-01-31)
795 reads
Beginning with today, I want to give you over the next few months a blog post series about the basics of performance tuning in SQL Server. Before we go...
2022-02-04 (first published: 2022-01-25)
1,606 reads
As we all know there is already a lot of information available about SQL Server related topics in English. But I’m also dealing more and more with customers who...
2021-10-18
22 reads
As we all know there is already a lot of information available about SQL Server related topics in English. But I’m also dealing more and more with customers who...
2021-10-18
44 reads
As we all know there is already a lot of information available about SQL Server related topics in English. But I’m also dealing more and more with customers who...
2021-10-18
5 reads
As we all know there is already a lot of information available about SQL Server related topics in English. But I’m also dealing more and more with customers who...
2021-10-18
10 reads
As we all know there is already a lot of information available about SQL Server related topics in English. But I’m also dealing more and more with customers who...
2021-10-18
9 reads
As we all know there is already a lot of information available about SQL Server related topics in English. But I’m also dealing more and more with customers who...
2021-10-18
3 reads
As we all know there is already a lot of information available about SQL Server related topics in English. But I’m also dealing more and more with customers who...
2021-10-18
7 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