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
5,044 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
673 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
990 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)
2,655 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
1,018 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
131 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
755 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
674 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
6,410 reads
Query memory grants part 2: Varchars and sorting
Why the heck did we make all our columns varchar? That’s a hypothetical question, please.
But now we have to pay...
2019-01-09
131 reads
Blogs
The Benefits of Teaching
By Brian Kelley
Even preparing for a class or seminar with set materials takes a lot of...
Power BI, Excel, OneLake – Dreams Do Come True!
By DataOnWheels
I can’t believe it’s finally here! A way to have Excel live in OneDrive...
The Book of Redgate: What Our Staff Says
By Steve Jones
This image is from 2010, and it goes along with my last post of...
Forums
Website Stability 2025/12/05
All week we've had issues with the site being up and down. There's been...
403 Forbidden
I created a post (or tried) in the 2022 Admin forum. https://www.sqlservercentral.com/?post_type=topic&p=4694880 But it's...
Question of the Day
Fabric Mirroring
In which versions can I mirror a database from an on-premises SQL Server to a Fabric data warehouse?
See possible answers