Fun Data Analysis
This week Steve wants to know if you'd have some issues when analyzing data and you've mistaken correlation for causation.
Using the Konesans File Watcher Task in SSIS to Process Data Files
With the Konesans File Watcher Task for SSIS we can import files as soon as they arrive.
Compare SQL Server Performance of In-Memory vs Disk Tables
With the release of SQL Server 2014 there came a lot of new features, including “In-Memory OLTP”. One would assume that storing a table in memory would most definitely be faster than using the conventional disk-based table storage engine. But just how much faster is it?
Continuous Delivery for Windows?
It seems as though Microsoft might be moving to a Continuous Delivery process for Windows 10. Steve Jones isn't sure that's a good thing, but it is interesting.
Deleting Files in the Cloud
The public perception is that, when something is deleted, it no longer exists. Often that's not really the case; the data you serve up to the cloud can be stored out there indefinitely, no matter how hard to try to delete it. Rob Sheldon investigates, and finds the cloud a worryingly public place.
SQL Saturday #337 - Portland, OR
SQL Saturday is coming to Portland on November 1! Join us for a free day of SQL Server training and networking. Speakers at this event include Red Gate's Grant Fritchey, Kathi Kellenberger, Benjamin Nevarez, and more. There are also 3 paid-for pre-con sessions for this event. Register while space is available.
Data Mining Part 18: Excel and Data Mining
In this new article, we will introduce you to Microsoft Excel and Data Mining.
Data Mining Part 18: Excel and Data Mining
In this new article, we will introduce you to Microsoft Excel and Data Mining.
Blogs
Using the Data API Builder–VS Live San Diego Resources
By Steve Jones
Thanks for attending my sessions. Resources below: Slides: Using Data API Builder GitHub repo: ...
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...
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