T-SQL Tuesday #166: Why Not Extended Events?
With 165 T-SQL Tuesday events, two, just two, this one, T-SQL Tuesday #166, and another one back in 2018 or 2019 (I forget and I’m far too lazy to...
2023-09-14
41 reads
Grant Fritchey
- Twitter: @https://twitter.com/gfritchey
- Website: https://scarydba.com
- LinkedIn: https://www.linkedin.com/in/grant-fritchey/
- Bluesky: https://bsky.app/profile/gfritchey.bsky.social
T-SQL Tuesday #166: Extended Events
When I was put on the list to host September’s T-SQL Tuesday, well, I forgot to put it in my calendar. So I’m late (and in the doghouse with...
2023-09-11
56 reads
Be Prepared
I've been reading about the fires in Maui and the horrible loss of life there. My heart goes out to all involved. I hope, if you can, you donate to a good charity to help those poor people. It also inspired me to do another check on our emergency supplies and equipment. No, we don't […]
2023-08-26
111 reads
SQL Server Execution Plans, Third Edition, by Grant Fritchey
Every Database Administrator, developer, report writer, and anyone else who writes T-SQL to access SQL Server data, must understand how to read and interpret execution plans. This book leads you right from the basics of capturing plans, through how to interrupt them in their various forms, graphical or XML, and then how to use the information you find there to diagnose the most common causes of poor query performance.
- Download free eBook
- Printed book:
2023-08-16 (first published: 2020-07-28)
6,354 reads
Looking Back and Forward
I took part in a podcast this week, Arrested DevOps. I did one with them once before, almost ten years ago. The host and I were both a little surprised that it had been so long. This caused us to look back a bit. Interestingly enough, ten years ago meant I was only about two […]
2023-07-29
68 reads
Battle of the Query Hints in Query Store
I recently presented a session on the Query Store at Data Saturday Rhineland and the question came up: If there’s already a query hint on a query, what happens...
2023-07-10 (first published: 2023-06-26)
311 reads
Keep Sharing
I was given a little reward the other day. My son came home telling me that the manufacturing company he works for wants to build some custom test equipment using Arduino-style controller chips. I've been experimenting, pretty darned lightly so far, with these over the last year. He starts asking me about which controllers I […]
2023-07-01
87 reads
Trust!
The difference between a low trust society (few individuals within a trust circle outside your family and/or tribe) and a high trust society (general trust of individuals beyond immediate family/tribe associations) generally speaking can be measured as the difference between a low tech (low trust) and high tech (high trust) society. Yes, exceptions abound, but […]
2023-06-03
114 reads
PGSQL Phriday #009: On Rollback
The invitation this month for #PGSqlPhriday comes from Dian Fay. The topic is pretty simple, database change management. Now, I may have, once or twice, spoken about database change...
2023-06-02
37 reads
Why Put PostgreSQL in Azure
I’ve had people come up to me and say “PostgreSQL is open source and therefore license free. Why on earth would I put PostgreSQL in Azure?” Honestly, I think...
2023-05-17 (first published: 2023-05-08)
262 reads
Blogs
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...
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...
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