Unused Indexes - Are they really unused or have they just not been used YET?
Tara explains when index DMVs gets reset by telling a story from her dark past.
2018-11-09
3,197 reads
Indexing
Index Tuning Week: How Many Indexes Are Too Many?
When you're not sure, start by aiming for 5 or less indexes per table, with 5 or less fields each.
2018-11-02
4,276 reads
2018-10-29 (first published: 2018-10-19)
1,488 reads
2018-08-30
832 reads
2018-08-23
872 reads
SQL Server Index Tutorial Overview
Although there are many different things that can be done to improve the performance of a database system, creating an index is the main tool in every DBA's toolbox that is used when we are trying to improve the performance of a query.
2018-08-08
4,545 reads
Be Careful with Key Order in SQL Server Missing Index Recommendations
In this tip we look at the missing index recommendations that SQL Server automatically provides and why you should pay close attention to what is recommended and how you actually implement the new index.
2018-07-26
4,203 reads
2018-07-13
871 reads
Indexes That Have Not Been Used but Are Being Updated
Greg Larsen talks about how indexes that are not being used are costing you valuable resources and causing your update statements to run longer.
2018-06-12
3,648 reads
Why Are You Dropping and Recreating Your Indexes?
Do you have data load processes that drop indexes to optimize the load process? Are you dropping those indexes in one step, then loading data into your table, only to recreate the indexes in a post data load step?
2018-05-22
5,535 reads
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