It’s always parameter sniffing (part 1?)
This is a blog post about a perennial issue. Have you ever had a call in the middle of the...
2019-01-28 (first published: 2019-01-16)
3,031 reads
My alternative to sp_WhoIsActive
I use sp_WhoIsActive a lot. I’m extremely grateful for Adam Machanic writing it. It has tons of options that let...
2019-01-28
5,122 reads
Memory Grants part 6: Memory used in aggregate functions (Min/Max/etc)
So far in this series, I’ve been focusing on the Sort operator. It’s pretty easy for demos since I can...
2019-01-25
681 reads
The Execution plan comparison feature (in SSMS)
Did you know that you can compare two execution plans in SQL Server Management?
It’s really cool. I use it a...
2019-01-25
992 reads
SQL Server Monitoring: What to start measuring
So you’ve got a SQL Server that you want to monitor. What should you monitor? In my opinion, at bare...
2019-01-22 (first published: 2019-01-14)
2,657 reads
Memory Grants part 4: The Resource Semaphore
Part of query memory grants, part 4! This post will cover the wait type RESOURCE_SEMAPHORE briefly, but the focus is...
2019-01-21
1,067 reads
New page on this blog: Contact Me
This is not a technical post! Just wanted to say that I set up a public email address for this...
2019-01-19
133 reads
When the query plan hash is deceptive
When you’re querying the plan cache, you need to know the four primary objects: the query hash, query plan hash,...
2019-01-17
757 reads
Execution plans: RetrievedFromCache
I first came across the value for RetrievedFromCache when I was reading a confusing execution plan. At first, I thought...
2019-01-11
696 reads
Why is the query hash so useful?
An example of how I use the query hash
I wrote a blog on what the query hash is, right here....
2019-01-10
6,506 reads
Blogs
AI: Blog a Day – Day 6: Embeddings – How AI Understands
By Vinay Thakur
Continuing from Day 5 where we covered notebooks, HuggingFace and fine tuning AI now...
The Book of Redgate: Mistakes
By Steve Jones
This is kind of a funny page to look at. The next page has...
ADF Pipeline Debugging Fails with BadRequest – The Sequel
A while ago I blogged about a use case where a pipeline fails during...
Forums
Dynamic Unpivot
I have a table I didn't design that has tons of repeating groups in...
Writing as an Art and a Job
Comments posted to this topic are about the item Writing as an Art and...
String Similarity II
Comments posted to this topic are about the item String Similarity II
Question of the Day
String Similarity II
What is the range for the result from the EDIT_DISTANCE_SIMILARITY() function in SQL Server 2025?
See possible answers