Checking your Memory with XE
It is well known and understood that SQL Server requires a substantial amount of memory. SQL Server will also try to consume as much memory as possible from the...
2019-01-02
16 reads
Checking your Memory with XE
It is well known and understood that SQL Server requires a substantial amount of memory. SQL Server will also try...
2019-01-02
341 reads
Visualizing Hash Match Join Internals And Understanding Their Implications
This post is part 3 in a series about physical join operators (be sure to check out part 1 – nested...
2019-01-10 (first published: 2019-01-02)
2,840 reads
Visualizing Hash Match Join Internals And Understanding Their Implications
This post is part 3 in a series about physical join operators (be sure to check out part 1 - nested loops joins, and part 2 - merge joins).
Watch...
2019-01-02
28 reads
Visualizing Hash Match Join Internals And Understanding Their Implications
This post is part 3 in a series about physical join operators (be sure to check out part 1 - nested loops joins, and part 2 - merge joins).
Watch...
2019-01-02
11 reads
SQL Server 2008 and SQL Server 2008 R2 - OUT of SUPPORT July 2019
Both SQL Server 2008 and SQL Server 2008 R2 go out of extended support with Microsoft in July 2019. That’s fast approaching and as we enter the new year...
2019-01-02
22 reads
SQL Server 2008 and SQL Server 2008 R2 - OUT of SUPPORT July 2019
Both SQL Server 2008 and SQL Server 2008 R2 go out of extended support with Microsoft in July 2019. That’s...
2019-01-02
191 reads
2018 Year in Review
As we open 2019, I thought I’d take a moment to reflect on the past year.
Blogging 2018 was my biggest year of blogging yet! I published 28 posts and...
2019-01-02
8 reads
Why I’m Breaking Up with Facebook
I have been in a serious relationship for more than 12 years. My partner in this relationship has brought me joy through the years, but lately, I feel like...
2019-01-01
18 reads
Why I’m Breaking Up with Facebook
I have been in a serious relationship for more than 12 years. My partner in this relationship has brought me...
2019-01-11 (first published: 2019-01-01)
3,209 reads
Blogs
The flight recorder: Replaying what an AI agent did on my SQL Server
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
Announcements from the Microsoft Fabric Community Conference — Barcelona 2026
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
Au Revoir for now
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
Forums
Let's Talk Certifications
Comments posted to this topic are about the item Let's Talk Certifications
The Hidden Security Risks of Role Combination in SSAS Tabular
Comments posted to this topic are about the item The Hidden Security Risks of...
The Empty Aggregate
Comments posted to this topic are about the item The Empty Aggregate
Question of the Day
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