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
2,410 reads
Storage Management
2025-04-21
1,892 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
291 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
266 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
1,488 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)
1,261 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.
2011-12-07 (first published: 2011-10-28)
4,054 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
Why Optimize CPU for RDS SQL Server is a game changer
One feature that I have been waiting for years! The new announcement around optimize...
Performance tuning KubeVirt for SQL Server
Following on from my last post about Getting Started With KubeVirt & SQL Server,...
T-SQL Tuesday #193 – A Note to Your Past, and a Warning from Your Future
By DesertDBA
I haven’t posted in a while (well, not here at least since I’ve been...
Forums
i noticed the sqlhealth extende event is on by default , so can i reduce
hi, i noticed the sqlhealth extended event is on by default , and it...
New-AzSqlInstanceServerTrustCertificate - Failed and no clues
Using New-AzSqlInstanceServerTrustCertificate to import a certificate and get the message New-AzSqlInstanceServerTrustCertificate: Long running operation...
Refactoring SQL Code
Comments posted to this topic are about the item Refactoring SQL Code, which is...
Question of the Day
The Read Committed Snapshot Isolation behaviour
I am currently working with Sql Server 2022 and AdventureWorks database. First of all, let's set the "Read Committed Snapshot" to ON:
use master; go alter database AdventureWorks set read_committed_snapshot on with no_wait; goThen, from Session 1, I execute the following code:
--Session 1 use AdventureWorks; go create table ##t1 (id int, f1 varchar(10)); go insert into ##t1 values (1, 'A');From another session, called Session 2, I open a transaction and execute the following update:
--Session 2 use AdventureWorks; go begin tran; update ##t1 set f1 = 'B' where id = 1;Now, going back to Session 1, what happens if I execute this statement?
--Session 1 select f1 from ##t1 where id = 1;See possible answers