Let’s Talk About The Cloud
I’m launching a new initiative called the Community Circle Cloud Conversation Club (c5 for short). It’s going to a panel discussion lead by experts on cloud technologies. I’ll be...
2020-05-29
16 reads
The Scary DBA
Database Fundamentals #25: Referential Integrity
If you have been reading through all my fundamentals posts and following along, you have built a small sample database, loaded it with data, and learned how to retrieve...
2020-06-10 (first published: 2020-05-26)
315 reads
Can We Get Row Counts After Execution?
The general idea for this question came from dba.stackexchange.com: could we, and if we can, how, get row counts after execution. I was intrigued with the idea, so I...
2020-06-01 (first published: 2020-05-18)
614 reads
Find Indexes Used In Query Store
One of the most frequent questions you’ll hear online is how to determine if a particular index is in use. There is no perfect answer to this question. You...
2020-05-25 (first published: 2020-05-11)
443 reads
Database Fundamentals #24: More Filtering Data
In this Database Fundamentals post we continue discussing the functionality of the WHERE clause. We started with the basics of the logic using things like AND, OR and LIKE...
2020-05-04
118 reads
How Does The CHOOSE Command Affect Performance?
Questions absolutely drive my blog content and I really liked this one: how does the T-SQL CHOOSE command affect performance. On the face of it, I honestly don’t think...
2020-05-11 (first published: 2020-04-27)
647 reads
The Very Best of Extended Events
Over the next couple of months, I’ll be putting on a number of different sessions teaching about the tools supplied by Microsoft, for free, that can help you when...
2020-04-20
248 reads
Redgate Community Circle
I am very excited to announce that I will be taking my paid precon content “Tools for SQL Server Query Performance Tuning” and presenting it for free. This is...
2020-04-23 (first published: 2020-04-16)
177 reads
Develop Resiliency
We are all going through some tough times. It’s tougher for some more than others. Now is the time when you have to work on being resilient, and it...
2020-04-13
19 reads
What Prevents You From Securing Your Servers?
Reading about how hackers are using SQL Server instances that are exposed on the internet AND have weak passwords to work into systems, I’m sitting here wondering why. I...
2020-04-06
75 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