When Page Prefetching Takes a Back Seat – Exploring Trace Flag 652 in SQL Server
Learn how a trace flag affects SQL Server reading from disk and where this might be a useful thing for you to enable.
2025-09-24
2,525 reads
Storage Management
2025-04-21
1,909 reads
Do We Care About Disks?
I ran across a tip on MSSQLTips from Joe Gavin recently, and it got me thinking about hardware and disks. For a lot of us, we deal with servers and storage, and not disks. While we might have a disk on a laptop or desktop, most of the production systems just attach to remote storage. […]
2021-11-03
309 reads
The State of Data Growth
Data continues to grow at incredible rates. That's good for those of us that make a living with data.
2021-09-11
285 reads
Storage 101: The Language of Storage
Robert Sheldon continues his series on storage. This article covers some of the basics of performance metrics, HDDs, and SSDs.
2020-02-10
Storage 101: Welcome to the Wonderful World of Storage
Understanding all the storage options available to...
2019-12-30
DBA Walkthrough – Adding space on IBM AIX Power Machines
Learn how to manage storage/filesystems on IBM AIX - Power machines. Learn from this demo of expanding a filesytem on AIX so that your DBA's get a high level overview of how AIX storage management works.
2019-05-21
1,544 reads
Check Used Table Space for User Defined Tables
Query the System Tables to find the space usage, which helps Database Administrators identify the Tables that are using the most space.
2012-07-11 (first published: 2012-07-04)
1,276 reads
Disk space alert per drive
This script validates the sufficient disk space per drive.
When you'll reach a minimum on a diskdrive, the script will mail all recipients.
2011-12-06 (first published: 2011-10-28)
4,080 reads
Reliable Storage Systems for SQL Server
By validating the IO path before commissioning the production database system, and performing ongoing validation through page checksums and DBCC checks, you can hopefully avoid data corruption altogether, or at least nip it in the bud. If corruption occurs, then you have to take the right decisions fast to deal with it. Rod Colledge explains how a pessimistic mindset can be an advantage
2010-06-03
2,506 reads
Blogs
Using the Data API Builder–VS Live San Diego Resources
By Steve Jones
Thanks for attending my sessions. Resources below: Slides: Using Data API Builder GitHub repo: ...
Running a Local LLM On Your Laptop Resources
By Steve Jones
Thanks to everyone that attended my sessions at VS Live San Diego yesterday. It...
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...
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