SQL Server Free eBooks, Softwares, Tutorials and Websites
When we start working as developer or learning, we often
face this issue. Where is the best tutorials, books and other...
2017-04-10
308 reads
Help on SQL Server
Alter Datatype of All the Columns In Database
Requirement: Recently we got the information from management
that our project will be getting the customers from China, so our application
should...
2017-03-28
174 reads
SQL Server Tips and Tricks
In this article I will be listing the tips and tricks to work like
a Pro.
So let's get started –
Important keyboard...
2017-02-20
329 reads
Part 2 - Detecting and Monitoring Memory Pressure Using DMV
I will be writing
this article in four parts because this topic is huge and the amount of
information can be overwhelming...
2017-02-06
567 reads
Altering Data Length of a Primary Key Column
This is not an article or a script. I am posting this just to share my experience and I feel...
2017-01-30
979 reads
SQL Server - Monitoring Table Size
There are many situations when we want to know the size of our database tables or just need a list...
2017-01-19
714 reads
Special Index - XML Index
I will be writing this series of articles for the Special Indexes in SQL Server. In this series we will...
2016-11-11
525 reads
Mastering Index – Index on Computed Columns
This
article is the part of series Mastering Index, in this particular article
we will be exploring Index on computed
columns. Take a look...
2016-11-07
571 reads
Mastering Index – Index with included columns
This article is the part of series Mastering Index, in this particular article we will be exploring Index with included...
2016-10-18
511 reads
Mastering Index – Unique Index
This article is the part of series Mastering Index, in this particular article we will be exploring Unique Index. Take a...
2016-10-14
486 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