Downtime
Most of us are working to prevent downtime in our systems. However Netflix thinks a little forced downtime is good for the software developers and infrastructure people.
The SQL TABLE Type: Beyond Table-Valued Parameters
Follow along as this starter article on the SQL TABLE Type walks you through the various ways it can be used in T-SQL.
Avoid using NOLOCK on SQL Server UPDATE and DELETE statements
Occasionally I come across UPDATE and DELETE statements where the target SQL Server table is referenced with the NOLOCK hint. Does this hint help or hurt performance in this case?
SQL Saturday #269 - Exeter, UK
SQL Saturday is coming to Exeter on March 22, 2014. Join Red Gate's David Atkinson and the rest of the speakers at this free day of SQL Server training and networking, organized by SQL South West.
Geeky Entertainment
As a break from work, this week Steve Jones wants to know what you wish for. Are there comic book, science fiction, or technological thrillers you'd like to see made into movies?
See Grant Fritchey and Steve Jones at SQL Intersection
Come see Grant Fritchey and Steve Jones (from Red Gate Software) and many more SQL Server experts while you enjoy spring in Orlando, FL at SQL Intersection.
Calculating Gaps Between Overlapping Time Intervals in SQL
There are a number of real-life reporting tasks in SQL that require a 'gaps and islands' analysis. There are a number of techniques around that work, but finding ones that scale well makes for a tougher, but interesting, challenge.
Fixing CREATE TABLE
Steve Jones has a problem with the inconsistency of the CREATE TABLE statement in SQL Server and has an idea on what to do.
Identify the Backup used to Restore the Database
This article will help us identify the backup which was used to restore the database. This may seem simple when the database backup is from the same server but the complications begin when the backup is not from the same server.
Blogs
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...
T-SQL Tuesday #202 SQL Server Outage You’ll Never Forget: A Roundup
When I put together the invitation for T-SQL Tuesday #202, I wasn't sure what...
A Last Minute Trip to the EU
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
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