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ASF 034: Alex Yates interview (part 1)

Introduction Alex is a Data Platform MVP who loves DevOps. He’s has been helping data professionals apply DevOps principles to relational database development and deployment since 2010. He’s most...

2020-11-04 (first published: )

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shell

Installing go-task
This tool is great for cross-platform shell scripting as it runs all the commands in the Taskfile.yml using a built in go shell library that supports bash syntax...

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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