The problem
There was a need to make changes to a table with an Indexed View. Since Indexed Views must be created with SCHEMABINDING, the View must be dropped and...
2022-09-19 (first published: 2022-09-05)
352 reads
Foreword
A picture is worth a thousand words. I use screenshots daily, whether it’s to share results, how-to tutorials, point out mistakes or create memes.
None of the tools I’ve tried...
2022-08-11
59 reads
Scary Scalar Functions series overview
Part One: Parallelism
Part Two: Performance
Part Three: The Cure
Foreword
In the first two parts, we have seen why the Scalar functions (UDFs) are a problem for the...
2022-07-29 (first published: 2022-07-24)
586 reads
Foreword
This month’s invitation is from Deborah Melkin (b|t), about venting anything you want. So let’s start this rant.
There are only two hard things in Computer Science: cache invalidation and...
2022-07-29 (first published: 2022-07-12)
297 reads
Scary Scalar Functions series overview
Part One: Parallelism
Part Two: Performance
Foreword
In the second part of this series, we’ll look at how Scalar functions (or UDFs) affect performance.
If you want to follow...
2022-07-18 (first published: 2022-07-02)
578 reads
The problem
In this scenario, you have discovered that one of your Check constraints or Foreign keys is not trusted.
Maybe you’ve detected it with a sp_Blitz, dbachecks or out of...
2022-07-06 (first published: 2022-06-24)
385 reads
Foreword
I’m still surprised many people don’t realise how lousy Scalar functions (aka User Defined Functions aka UDFs) are. So because it’s my current focus in work and this Stack...
2022-06-21
54 reads
Foreword
This month’s invitation is from Mala Mahadevan, and it’s about coding standards. Fortunately, I may forget several basic ones because my team probably eradicated them long ago.
I’ll go with...
2022-06-14
24 reads
SQL Server 2022 CTP is here
It has been announced today (2022-05-24) during the MS Build event. The blog post includes a download link. Unfortunately, the Docker container is...
2022-05-24
57 reads
Foreword
I’ve started to play Lego Video games with my daughter, and since it’s one of her first games, it can be a little frustrating.
Even though there are no high...
2022-05-21
28 reads
By Steve Jones
This is timely, as I’m currently on a boat in the Adriatic taking a...
You can find the slides and SQL scripts for my session “Spice up your...
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
Comments posted to this topic are about the item Using CHOOSE()
Comments posted to this topic are about the item Re-Seeding a Broken Log Shipping...
Comments posted to this topic are about the item The DBA is Dead! Long...
We have this code that sets some status values and then queries them using the CHOOSE() function in SQL Server 2025.
CREATE TABLE Status
(
StatusID INT,
StatusDescription VARCHAR(20)
);
GO
INSERT dbo.Status
(
StatusID,
StatusDescription
)
VALUES
(0, 'Uncategorized'),
(1, 'Active'),
(2, 'Inactive'),
(3, 'Temp');
GO
SELECT CHOOSE(StatusID, 'Unknown', 'Active', 'Inactive', 'Temporary')
FROM Status;
When the SELECT runs, what is returned? See possible answers