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
1,013 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
131 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)
2,919 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
754 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)
3,110 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)
3,025 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)
2,653 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
6,387 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
129 reads
Blogs
SQL Training Black Friday Deals
By Brian Kelley
If you're looking for particular "Black Friday" deals, here is what I've seen advertised...
Dry-run xp_delete_file Before Actually Deleting Files?
By SQLPals
Dry-run xp_delete_file Before Actually Deleting Files? xp_delete_file doesn’t really have a...
Happy Thanksgiving! (USA Holiday)
By Brian Kelley
In the United States, today is Thanksgiving. The intent behind the holiday is to...
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T-SQL in SQL Server 2025: The PRODUCT Function
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Question of the Day
Which Object Definitions Are Available?
For which of these object types can I get the code when I run the OBJECT_DEFINITION() function in SQL Server 2025? (choose 3)
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