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Even the most experienced programmers can be caught out unawares by software they've used for years without trouble. Dino Esposito explains why and how the JSON method in an ASP.NET MVC controller class suddenly started to cause an exception on a production server, and how he fixed the problem.

Technical Article

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Cloud computing is on the move. Slowly but surely, businesses are transitioning more and more key pieces of infrastructure to the cloud in order to take advantage of cost, flexibility and agility benefits. And databases, the heart and soul of all applications, are the most critical component of this transition. Gerardo Dada explores the topic.

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Today's AI

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Split Large Queries in Athena with a Simple Modulo Trick

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Finding Trailing Spaces

By Steve Jones - SSC Editor

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Question of the Day

Finding Trailing Spaces

I have some data in a SQL Server 2025 database. It looks like this for the dbo.Customer table:

CustomerID CustomerName PreferredName
1          Steve        Steve               
2          Andy         Andy               
3          Brian        Brian               
4          Allan        Allan               
5          Devin        Devin               
6          Steve        Steve               
7          Sally        Sally
I want to detect which names have a single trailing space. The CustomerName is a varchar() and the PreferredName is a CHAR(). Does this query detect the problem rows?
SELECT 
       CustomerID,
       CustomerName,
       PreferredName
FROM Customer
WHERE CustomerName <> RTRIM(CustomerName)
OR PreferredName <> RTRIM(PreferredName);

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