David Poole

David Poole has been developing business applications since the days of the
Commodore Pet.

Those were the days when 8K was called RAM not KEYBOARD BUFFER.

He now works as Data Solutions Architect at Moneysupermarket
  • Interests: Badminton, Cycling and Music. Keen piano player.

SQLServerCentral Article

Soft Skills: Controlling your career

Technical skills come and go while soft skills will serve you throughout your life. They will have the greatest influence over your career, job and role.  For some people soft skills come naturally.  As an Aspergers person (Aspie) I have to practice my soft skills at every opportunity. Pure techies need not lose hope. Soft […]

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2021-04-23 (first published: )

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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