Query Store at PASS Data Community Summit
While Query Store has been out for quite some time now, released in 2016, there’s still quite a lot of missing understanding of what Query Store can do for...
2022-10-11
13 reads
Grant Fritchey
- Twitter: @https://twitter.com/gfritchey
- Website: https://scarydba.com
- LinkedIn: https://www.linkedin.com/in/grant-fritchey/
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Check Every Metric
Recently, a person asked about the costs differences in an execution plan, referencing them as if they were performance measures. The key to understanding performance is to check every...
2022-10-10
22 reads
Learning New Technology Is Challenging
On nights and weekends, I've been playing with Arduino controllers. I have a couple of projects I'm working through (building a robot that can roll around with "eyes" to avoid obstacles). I've also been trying to work with STM32 controllers, because in a lot of ways, they're more powerful than an Arduino. However, I've hit […]
2022-10-08
242 reads
Function Vs. Performance
Recently I was looking through DBA.StackExchange when I saw a pretty simple question that I decided to answer. I went off, set up a test database and some test...
2022-10-03
31 reads
Why You Need Presentation Skills
And no, the answer is not because you want to be a Microsoft MVP. Multiple surveys have been published over the decades that list “fear of public speaking” as...
2022-09-29
29 reads
Learning PostgreSQL: The Tools
In case you don’t know, I’ve been writing a series of articles over on Simple-Talk as I learn PostgreSQL. It’s all from the point of view of a SQL...
2022-09-26 (first published: 2022-08-01)
267 reads
Look Into Chocolatey
Just a suggestion, but I’d say you should look into Chocolatey. Let me explain why. Sabbatical For those who don’t know I was recently on a six-week sabbatical from...
2022-09-23 (first published: 2022-09-12)
353 reads
Distributed Replay: The Little Engine That Almost Could
Honestly, sincerely, no kidding, I love Distributed Replay. Yes, I get it. Proof positive I’m an idiot. As we needed proof. To be a little fair to me, I...
2022-09-21 (first published: 2022-08-15)
194 reads
Extended Events for Anything but Query Tuning: bulk_insert_usage
Wouldn’t it be great to be able to directly monitor specific behaviors within SQL Server, like, oh, I don’t know, knowing exactly when, and how, someone is using BULK...
2022-09-19
49 reads
Who Are You?
I was sitting here thinking about the editorial when Kathi Kellenberger came to mind. She would frequently write about her favorite show, Star Trek. I too have been a fan of Star Trek since I was very young. However, my favorite show is a little more obscure and not as many people have seen it, […]
2022-09-17
320 reads
Blogs
Running a Local LLM On Your Laptop Resources
By Steve Jones
Thanks to everyone that attended my sessions at VS Live San Diego yesterday. It...
Differences Between xp_readerrolog and sp_readerrorlog: #SQLNewBlogger
By Steve Jones
I was creating a question on sp_readerrorlog and realized that this procedure is different...
Why sys.fn_dblog Is Undocumented And Why It's Still There
By SQLPals
Why sys.fn_dblog Is Undocumented And Why It's Still There Why sys.fn_dblog...
Forums
Implementing Type 4 Slowly Changing Dimensions in SQL Server
Comments posted to this topic are about the item Implementing Type 4 Slowly Changing...
The Disabled Index
Comments posted to this topic are about the item The Disabled Index
Server-Level Table sizes
Comments posted to this topic are about the item Server-Level Table sizes
Question of the Day
The Disabled Index
I run this code on SQL Server 2022.
CREATE TABLE Drink
(
drinkid INT NOT NULL
CONSTRAINT DrinkPK PRIMARY KEY CLUSTERED,
drinkname VARCHAR(20),
rating NUMERIC(2, 1)
)
GO
INSERT INTO Drink
(
drinkid,
drinkname,
rating
)
VALUES
(1, 'Margarita', 4.5),
(2, 'Mojito', 4.3),
(3, 'Old Fashioned', 4.7),
(4, 'Martini', 4.4),
(5, 'Cosmopolitan', 4.2)
GO
ALTER INDEX drinkpk ON dbo.drink DISABLE
GO
SELECT * FROM dbo.Drink
GO
What is the result? See possible answers