Data Mining: Part 12 DMX for Data Mining
In this lesson we will learn the basics of DMX and create some samples.
13 Questions about SQL Server Data Types You were Too Shy to Ask
Although SQL Data Types seem to cause a lot of grief for database developers and can be tricky in their use, we seem to be expected to know all about them, and so it is embarrassing to ask questions about them in forums. Rob Sheldon continues in his mission to answer all those questions that we hesitate to ask.
SQL in the City: Save the Date
SQL in the City is coming back to London and Seattle in 2014. The London event will take place on October 24 (before Tech Ed Europe) and in Seattle on November 3 (before PASS Summit). Keep an eye on the event website and @redgate for updates.
Stairway to XML: Level 2 - The XML Data Type
Robert Sheldon describes SQL Server's XML Data Type, and shows that it is as easy to configure a variable, column, or parameter with the XML data type as configuring one of these objects with any other datatype
What Is the Hardest Feature to Learn About SQL Server?
SQL Server is a complex product and many of us work with only a small part of the product. However many of us will have exposure to quite a few features inside of the platform. Today Andy Warren asks you if there is some feature that's harder than others.
Using PowerShell to Manage Windows Azure SQL Databases
Marcin Policht provides a comprehensive overview of Windows PowerShell’s capabilities in regard to managing SQL Databases (or, in general, cloud-resident resources).
Access Disdain
Today Andy Warren looks back at his career with Access and why he doesn't see it as a tool to be avoided.
Developing a Custom SSIS Source Component
SSIS was designed to be extensible.Although you can create tasks that will take data from a wide variety of sources, transform the data is a number of ways and write the results a wide choice of destinations, using the components provided, there will always be occasions when you need to customise your own SSIS component.
Automate Registering and Maintaining Servers in SQL Server Management Studio (SSMS)
This tip looks at how to use a control file that lists the structure to use within SSMS and a PowerShell script that will automatically maintain the list of registered servers within SSMS.
SQL Saturday #302 - Albany
SQL Saturday is coming to Albany, NY on July 26, 2014. This is a free full day of training and networking for SQL Server professionals. This event also features a paid-for precon session with Grant Fritchey on query performance tuning. The event is soon so register while space is available.
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