Blog Post

A Trio of EachDB

When administering a larger database environment, sometimes one needs to perform repetitive tasks.  Performing repetitive tasks becomes more and more painful (maybe even demoralizing) with the larger the number...

2012-07-17

16 reads

Blog Post

A Trio of EachDB

When administering a larger database environment, sometimes one needs to perform repetitive tasks.  Performing repetitive tasks becomes more and more...

2012-07-17

1,566 reads

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The Empty Aggregate

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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]
GO
What 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