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
1,022 reads
Arthur's Blog
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
132 reads
Memory Grants part 3: How much memory can one query get?
When you build a brand new shiny SQL Server, you want to get a lot of memory so your queries...
2019-01-31 (first published: 2019-01-18)
2,921 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
756 reads
A brief introduction for bcp
I end up using the bcp utility to move tables between environments, and I’ve found that a lot of the...
2019-02-04 (first published: 2019-01-16)
3,120 reads
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)
3,029 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
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
677 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
6,434 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
Monday Monitor Tips: Native Replication Monitoring
By Steve Jones
Redgate Monitor has been able to monitor replication for a long term, but it...
Advice I Like: Art
By Steve Jones
Superheroes and saints never make art. Only imperfect beings can make art because art...
Why Optimize CPU for RDS SQL Server is a game changer
One feature that I have been waiting for years! The new announcement around optimize...
Forums
Think LSNs Are Unique? Think Again - Preventing Data Loss in CDC ETL
Comments posted to this topic are about the item Think LSNs Are Unique? Think...
The AI Bubble and the Weak Foundation Beam
Comments posted to this topic are about the item The AI Bubble and the...
Question of the Day
A Big PK
In SQL Server 2025, how many columns can be included in a Primary Key constraint?
See possible answers