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
What’s the story with AWS RDS and SQL Server deadlocks? I’m approaching AWS RDS like I was taking on a new role at a new organization. Do we have...
2020-06-08
79 reads
Did you know that the system_health Extended Event session was running in your RDS instances? Well, it is. HOWEVER. This query, which works perfectly fine on my on premises...
2020-06-02
72 reads
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
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
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
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
2020-05-09
152 reads
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
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
By Steve Jones
Thanks to everyone that attended my sessions at VS Live San Diego yesterday. It...
By Steve Jones
I was creating a question on sp_readerrorlog and realized that this procedure is different...
By SQLPals
Why sys.fn_dblog Is Undocumented And Why It's Still There Why sys.fn_dblog...
Comments posted to this topic are about the item Implementing Type 4 Slowly Changing...
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Comments posted to this topic are about the item Server-Level Table sizes
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