I’ll be speaking at SQL Server Virtual Conference from C# Corner
I’ll be speaking at the SQL Server Virtual Conference from C# Corner, Friday Jan 29, 2021, with my friend Julie Koesmarno ( b | t ). I’ll be showing...
2021-01-27
32 reads
I’ll be speaking at SQL Server Virtual Conference from C# Corner
I’ll be speaking at the SQL Server Virtual Conference from C# Corner, Friday Jan 29, 2021, with my friend Julie Koesmarno ( b | t ). I’ll be showing...
2021-01-27
42 reads
What is a model database?
Do you ever take a look at SSMS in the System Databases section? People that are new to SQL Server might or might not know much about these essential...
2021-02-04 (first published: 2021-01-26)
614 reads
Daily Coping 26 Jan 2021
I started to add a daily coping tip to the SQLServerCentral newsletter and to the Community Circle, which is helping me deal with the issues in the world. I’m...
2021-01-26
27 reads
Rowcount estimates when there are no Statistics
When you don't have statistics, what does SQL use to calculate the estimated number of rows?
2021-02-04 (first published: 2021-01-26)
305 reads
Synapse Analytics and .NET for Apache Spark Example 4 - JOINS
This is a bit of a longer one, a look at how to do all the different joins and the exciting thing for MSSQL developers is that we get...
2021-01-25
18 reads
Synapse Analytics and .NET for Apache Spark Example 4 - JOINS
This is a bit of a longer one, a look at how to do all the different joins and the exciting thing for MSSQL developers is that we get...
2021-02-05 (first published: 2021-01-25)
165 reads
Recovering Data from a Backup with SQL Data Compare
I had a customer recently ask about how to recover data from a backup file. I believe the request was for SQL Backup, but I knew there was another...
2021-02-02 (first published: 2021-01-25)
314 reads
Data Lakehouse defined
As a follow-up to my blog Data Lakehouse & Synapse, I wanted to talk about the various definitions I am seeing about what a data lakehouse is, including a...
2021-01-25
16 reads
Data Lakehouse defined
As a follow-up to my blog Data Lakehouse & Synapse, I wanted to talk about the various definitions I am seeing about what a data lakehouse is, including a...
2021-02-02 (first published: 2021-01-25)
613 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