Blog Post

Finding Application Session Settings

One of the underused troubleshooting and performance tuning techniques is to validate the application session settings. Things can work fabulous inside of SSMS, but run miserably inside the application.
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2019-01-01

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Blog Post

Happy 2019!

As I’m writing this it’s actually still 2018, so this is both my last blog post of the year and the first blog post of the new year ??...

2019-01-01

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The Empty Aggregate

By Steve Jones - SSC Editor

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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