SQLpassion Live Training about Query Tuning Fundamentals
On May 3, 2022 I will run an SQLpassion Live Training about SQL Server Query Tuning Fundamentals. If you have a database driven application which reacts very slowly when...
2022-04-04
46 reads
On May 3, 2022 I will run an SQLpassion Live Training about SQL Server Query Tuning Fundamentals. If you have a database driven application which reacts very slowly when...
2022-04-04
46 reads
In today’s blog posting I want to talk about Heap Tables in SQL Server. Heap tables are tables without a Clustered Index. A table in SQL Server can have...
2022-03-01
419 reads
Today I’m talking about limitations that you have with data pages, and why there are restrictions that you will love, while you will hate other restrictions. As you learned,...
2022-03-07 (first published: 2022-02-21)
306 reads
Today I’m talking about Extent Management in SQL Server, because this is a very important topic, especially when you deal with TempDb in SQL Server. On a very high...
2022-02-28 (first published: 2022-02-14)
632 reads
As you might know, I have written a long time ago a book about Service Broker – a technology within SQL Server that almost nobody is aware of and...
2022-02-21 (first published: 2022-02-07)
455 reads
Last week we laid out the foundation for how SQL Server executes queries. I have also already talked here a little bit about pages that are buffers of 8kb....
2022-02-11 (first published: 2022-01-31)
821 reads
Beginning with today, I want to give you over the next few months a blog post series about the basics of performance tuning in SQL Server. Before we go...
2022-02-04 (first published: 2022-01-25)
1,632 reads
As we all know there is already a lot of information available about SQL Server related topics in English. But I’m also dealing more and more with customers who...
2021-10-18
36 reads
As we all know there is already a lot of information available about SQL Server related topics in English. But I’m also dealing more and more with customers who...
2021-10-18
57 reads
As we all know there is already a lot of information available about SQL Server related topics in English. But I’m also dealing more and more with customers who...
2021-10-18
14 reads
By Steve Jones
Thanks for attending my sessions. Resources below: Slides: Using Data API Builder GitHub repo: ...
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...
Comments posted to this topic are about the item Implementing Type 4 Slowly Changing...
Comments posted to this topic are about the item The Disabled Index
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