SQLSaturday 461: Join Me For a Full Day of Performance Training in Austin
Join me Friday, January 29, 2016 for a full day of performance tuning training as part of SQLSaturday 461 in...
2015-11-12
638 reads
The Resurrection of Reporting Services & The Maturing of Power BI
Spending the past two weeks at the annual PASS Global Summit and the Microsoft MVP Summit, I’ve consumed a literal...
2015-11-12
486 reads
SQL New Blogger Challenge November 2015 Edition - Week 2 Digest
This week’s #sqlnewblogger posts!
Author Post @arrowdrive Anders On SQL: T-SQL Tuesday #72: Data modelling gone extremely wrong @rabryst Time After Time - An Introduction to Temporal Tables in SQL...
2015-11-12
10 reads
SQL Server 2016 CTP 3 Setup – UI Improvements
There are some improvements in the setup UI for SQL Server 2016 CTP3, and its great to see Microsoft making...
2015-11-11
818 reads
Why you should not update Primary Key values
Recently I had the chance to take a look at a problematic query in an application. I caught the query in profiler and it’s the following: [crayon-5e9656615f713397718274/] The query...
2015-11-11
13 reads
Why you should not update Primary Key values
Recently I had the chance to take a look at a problematic query in an application. I caught the query in profiler and it’s the following: [crayon-5e81b52edda2c602772598/] The query...
2015-11-11
12 reads
Why you should not update Primary Key values
Recently I had the chance to take a look at a problematic query in an application. I caught the query...
2015-11-11
3,430 reads
Sql Hints #1 - Don’t update Primary Key values
Recently I had the chance to take a look at a problematic query in an application. I caught the query...
2015-11-11
110 reads
Webinar: Unit Testing with SQL Server and tSQLt
I ran into Sebastian Meine at the PASS Summit a few weeks ago and we were talking testing. Sebastian is...
2015-11-11
676 reads
Question: Single SQL Server VM on One Host Justifications
Earlier this week I received a great question from a friend, and read something like this.
Hi David,I usually recommend people...
2015-11-11
403 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