The CONNECT permission
The CONNECT permission exists at the instance and database levels. Note: as of SQL 2012 it is CONNECT SQL at...
2016-02-03 (first published: 2016-01-27)
3,433 reads
Goodness-of-Fit Testing with SQL Server Part 4.2: The Hosmer–Lemeshow Test with Logistic Regression
By Steve Bolton
…………The last installment of this amateur series of self-tutorials was the beginning of a short detour into using...
2016-02-02 (first published: 2016-01-26)
1,548 reads
Webcast: Upgrading and Migrating SQL Server 2005 BI Features to SQL Server 2014 and 2016
Please join me on February 3rd at 10 Pacific Time for this presentation brought to you by Microsoft and SolidQ...
2016-01-26
536 reads
Speaking at SQLSaturday Chicago
I’m happy to announce that my first public session of 2016 will be at SQLSaturday Chicago on March 5! I...
2016-01-26
442 reads
Microsoft & R Programming Session Materials & Resources Available
Last Thursday night I had the pleasure of speaking with Gregory Kramer and his friends at the Madison, WI Power...
2016-01-26
1,038 reads
Does an index scan always read the entire index?
No.
That’s a bit short for a blog post, so let me explain. First, the difference between a seek and a...
2016-01-26
525 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
20 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...
2016-01-26
582 reads
What is an Identity?
Identity (or AutoNumber) is a column that automatically generates numeric values. A start and increment value can be set, but...
2016-01-26
142 reads
What is Normalization in SQL Server?
In relational database design, the process of organizing data to minimize redundancy is called normalization. It usually involves dividing a...
2016-01-26
207 reads
Blogs
How to Clear the SSMS Cache (SSMS 21 and Later)
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
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...
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