What If You Need to Index a Lot of Duplicate Data?
Let’s get a little nerdy and look at database internals.
2025-02-24
Indexing
Index Rebuilds Make Even Less Sense with ADR & RCSI
Accelerated Database Recovery (ADR) is a database-level feature that makes transaction rollbacks nearly instantaneous. Here’s how it works.
2025-02-19
How Many Indexes Is Too Many?
Let’s start with the Stack Overflow database (any size will work), drop all the indexes on the Users table, and run a delete:
2024-11-11
A Tidy Database is a Fast Database: Why Index Management Matters
Learn about the ways in which you might better manage indexes for a better performing and efficient database.
2024-11-11
4,148 reads
Uncover SQL Server Missing Indexes
In this article, we look at a SQL Server Dynamic Management View (DMV) that helps find queries that trigger missing index recommendations.
2024-10-18
SQL Index Rebuild vs Reorganize Comparison
This tip covers the differences and similarities between SQL Server index rebuild and index reorganize operations.
2024-09-30
2024-09-27
415 reads
2024-09-20
447 reads
2024-09-13
162 reads
Index cleanup : Harder than it looks
I’m not the first person to write about cleaning up unused or redundant indexes.
2024-08-16
Blogs
T-SQL Tuesday #203: Risk and Reward
By Steve Jones
This is timely, as I’m currently on a boat in the Adriatic taking a...
dataMinds Connect 2026 – Slides & Scripts
You can find the slides and SQL scripts for my session “Spice up your...
How to Clear the SSMS Cache (SSMS 21 and Later)
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
Forums
Using CHOOSE()
Comments posted to this topic are about the item Using CHOOSE()
Re-Seeding a Broken Log Shipping Secondary (Without Touching the Primary)
Comments posted to this topic are about the item Re-Seeding a Broken Log Shipping...
The DBA is Dead! Long Live the !
Comments posted to this topic are about the item The DBA is Dead! Long...
Question of the Day
Using CHOOSE()
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