Indexes on GUIDs – Not Only Fragmentation
A client called us with the following issue:
He had a table of a few dozen million rows. The table had...
2015-08-03 (first published: 2015-07-27)
2,740 reads
A client called us with the following issue:
He had a table of a few dozen million rows. The table had...
2015-08-03 (first published: 2015-07-27)
2,740 reads
Yesterday I participated in PASS Performance Palooza.
I had a lot of fun delivering my session Columnstore Indexes – Questions and Answers.
The...
2015-07-24
547 reads
The PASS Performance Virtual Chapter has a tradition of yearly “Palooza events”, in which there are a few back-to-back online performance...
2015-07-21
482 reads
Everyone’s talking about “Big Data”, huge tables and data explosion right?
Can we have a problem of a table that is...
2015-06-26 (first published: 2015-06-16)
3,505 reads
Thanks to everyone who attended my 24 Hours of PASS session, The Data Loading Performance Presentation.
It was a lot of...
2015-06-25
660 reads
24 Hours of PASS is just around the corner, and I’m happy to say that this time I’ll be speaking...
2015-06-18
550 reads
Let’s look at the following script:
CREATE TABLE LoadMeFast (Id INT NOT NULL,
InsertDate DATETIME NOT NULL,
ABunchOfLetters NVARCHAR(100)
)
GO
SET NOCOUNT ON
GO
DECLARE...
2015-06-09 (first published: 2015-06-03)
4,055 reads
This past Wednesday, I delivered my session, “Query Progress Tracking in SQL Server” to the DBA Virtual Chapter.
The session covers...
2015-05-29
1,416 reads
Let’s say you remember a piece of code you need to optimize or take a look at, but you don’t...
2015-05-13
619 reads
You setup SQL Server Replication and everything looks fine. Rows are flowing between the servers and you think you’re done.
Right? Wrong..
At...
2015-05-04 (first published: 2015-04-22)
5,386 reads
By Steve Jones
I had a customer ask about analyzing their Test Data Manager (TDM) usage to...
By Steve Jones
I had an idea for an animated view of a sales tool, and started...
Next Monday, February 9, 2026, my one-day live online training SQL Server Query Tuning...
Think there's a reason why this is still in preview, but have someone manage...
Comments posted to this topic are about the item SQL Server 2025 Query Performance...
This is a generic question. To the moderators, I wasn't sure where to place...
On SQL Server 2025, what happens when I run this code:
SELECT JSON_OBJECTAGG( 'City':'Denver') GOSee possible answers