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Quick SSMS Tip

It is widely known that I am a horrible speller and hate to type code. I tend to use a lot of code snippets and reuse code to avoid...

2019-09-20 (first published: )

1,267 reads

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SQL Server Wishlist

This month for T-SQL Tuesday Kevin Chant asks us what our fantasy SQL feature would be. https://www.kevinrchant.com/2019/09/03/t-sql-tuesday-118-your-fantasy-sql-feature/ I think it’s appropriate to give a shout-out to Microsoft at this...

2019-09-11

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Weekly reading #25

It has been a long time since the last weekly reading post. We have been in Shanghai and Bangalore during the time. We attended in #DPS10 in Bangalore –...

2019-09-11

10 reads

Coffee beans and equipment

Weekly reading #25

It has been a long time since the last weekly reading post. We have been in Shanghai and Bangalore during the time. We attended in #DPS10 in Bangalore –...

2019-09-11

38 reads

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The Empty Aggregate

By Steve Jones - SSC Editor

Comments posted to this topic are about the item 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