TempDB Excessive Memory Usage Example
I see TempDB using more memory than I feel it should and found a way to resolve it. Previously I dove into technical details and questioning what I saw...
2016-02-01
32 reads
Simple SQL Server
Tim Ford’s Entry-Level Content Challenge
All bloggers started as beginners. We picked things up, learned them, and got to the point where we wanted to...
2016-01-26
582 reads
Tim Ford’s Entry-Level Content Challenge
All bloggers started as beginners. We picked things up, learned them, and got to the point where we wanted to start sharing our knowledge. The problem is that most...
2016-01-26
19 reads
Querying Deadlocks From System_Health XEvent
It’s easy to query XEvents to see some of the basic info in deadlocks, including the system_health session which is...
2016-01-27 (first published: 2016-01-25)
2,920 reads
Querying Deadlocks From System_Health XEvent
It’s easy to query XEvents to see some of the basic info in deadlocks, including the system_health session which is already capturing this information by default. This script will,...
2016-01-25
107 reads
Shrinking Database Data Files
Normal DBAs will sum up shrinking a database data file in one word: NO!
I’ll talk to you about this subject because...
2016-01-19
1,702 reads
Shrinking Database Data Files
Normal DBAs will sum up shrinking a database data file in one word: NO! I’ll talk to you about this subject because I’m not normal. Still, my goal is that...
2016-01-19
52 reads
SQL Saturday Cleveland #SQLSat473
On February 6, 2016, Cleveland is hosting a free training event for SQL Server. This has a lot of the...
2016-01-11
538 reads
SQL Saturday Cleveland #SQLSat473
On February 6, 2016, Cleveland is hosting a free training event for SQL Server. This has a lot of the great stuff from the big, paid events, and skips...
2016-01-11
16 reads
TempDB memory leak?
I found a bug where I’m seeing TempDB use more memory than it should on multiple versions of SQL Server,...
2016-01-08 (first published: 2016-01-05)
3,366 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, which is...
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