Azure SQL Offers Manual Failover for PaaS Resources
Sometime having the right command in place opens up new doors to test things, like a failover for example. In this post we will take a look at a...
2020-09-22
9 reads
John Morehouse | Sqlrus.com
Azure SQL Offers Manual Failover for PaaS Resources
Sometime having the right command in place opens up new doors to test things, like a failover for example. In this post we will take a look at a...
2020-09-22
10 reads
Understanding how to enable SQL Server Optimizer Hotfixes
There are a number of knobs and switches that are available to database administrators that can be used to enable better performance. There are three options in particular that...
2020-08-12 (first published: 2020-07-31)
1,692 reads
Understanding how to enable SQL Server Optimizer Hotfixes
There are a number of knobs and switches that are available to database administrators that can be used to enable better performance. There are three options in particular that...
2020-07-31
12 reads
Using LAST_QUERY_PLAN_STATS in SQL Server 2019
In my opinion, SQL Server 2019 is one of the greatest releases of the product that Microsoft has ever produced. The amount of improvements across the platform really allows...
2020-07-28 (first published: 2020-07-17)
1,107 reads
Using LAST_QUERY_PLAN_STATS in SQL Server 2019
In my opinion, SQL Server 2019 is one of the greatest releases of the product that Microsoft has ever produced. The amount of improvements across the platform really allows...
2020-07-17
33 reads
Using Docker Volumes for SQL Server in Linux
No, not that kind of volume! Over the past couple of blog posts, I have been talking about the versatility of deploying SQL Server with Docker. This combination is...
2020-07-13 (first published: 2020-07-03)
866 reads
Using Docker Volumes for SQL Server in Linux
No, not that kind of volume! Over the past couple of blog posts, I have been talking about the versatility of deploying SQL Server with Docker. This combination is...
2020-07-03
17 reads
Restoring a SQL Server Database in Docker
Last month I blogged about using Docker to run SQL Server as a quick and easy way to get SQL Server up and running. While it continues to be...
2020-07-01 (first published: 2020-06-19)
641 reads
Restoring a SQL Server Database in Docker
Last month I blogged about using Docker to run SQL Server as a quick and easy way to get SQL Server up and running. While it continues to be...
2020-06-19
15 reads
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Let's Talk Certifications
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The Hidden Security Risks of Role Combination in SSAS Tabular
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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