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)
2,760 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)
2,760 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
561 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
494 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
673 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
569 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)
3,516 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)
4,062 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
1,426 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
630 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)
5,406 reads
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
Comments posted to this topic are about the item Let's Talk Certifications
Comments posted to this topic are about the item The Hidden Security Risks of...
Comments posted to this topic are about the item The Empty Aggregate
I have this table in a SQL Server 2025 database:
CREATE TABLE [dbo].[CustomerOrder] ( [OrderID] [int] NULL, [CustomerID] [int] NULL, [total] [money] NULL ) ON [PRIMARY] GOWhat is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
COUNT(total) AS count
FROM dbo.CustomerOrder;
See possible answers