T-SQL Tuesday #028 - I'm a Jack of All Trades, and Proud of It
If I wasn't, would I have proposed the following topic for several speaking chances, including SQLRally?
Being a specialist means you're...
2012-03-13
1,467 reads
DBA supertech . Specialise or generalise?
Specialise or a generalise? It all depends on how you define these terms.
A SQL Server DBA may be considered to...
2012-03-13
757 reads
MDX Functions: BottomCount
The MultiDimensional eXpressions, or MDX, language is used to query the data in a multidimensional in an OLAP database. In the...
2012-03-12
1,438 reads
MDX Functions: TopCount
The MultiDimensional eXpressions, or MDX, language is used to query the data in a multidimensional in an OLAP database. In the...
2012-03-12
2,267 reads
SQL Server Database Mirroring Tips and Tricks, Part 1
Even though SQL Server Database Mirroring is deprecated in SQL Server 2012, it is still a very useful HA/DR technique...
2012-03-16 (first published: 2012-03-12)
6,684 reads
Data Warehouse Architecture – Kimball and Inmon methodologies
What is the best methodology to use when creating a data warehouse? Well, first off, let’s discuss some of the reasons why...
2012-03-15 (first published: 2012-03-12)
9,530 reads
Done or Not Done
One of the things I hear a lot relating to work big and small is that it is “almost done”,...
2012-03-12
583 reads
SQL Server 2012 AlwaysOn & A Thorough Setup
It’s surprisingly easy to set up the new AlwaysOn features. I’ve done it on VMs running on my laptop, from...
2012-03-14 (first published: 2012-03-12)
3,163 reads
Double-Dash Comments, the Hidden Menace
While writing my last post on cleaning up old maintenance plans, I was reminded of something I heard in a...
2012-03-12
2,574 reads
Last Execution Date Time of a Stored Procedure
On many forums I have found a very basic yet important query - “How can I know when was my Stored...
2012-03-12
21,881 reads
Blogs
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