Suresh Raavi is a database professional, with a zest for SQL Server specializing in Administration and performance tuning. Presently, he is a Sr. SQL Server DBA at the Microsoft Products and Services IT SQL team, taking part in various challenging projects, focusing mainly on performance tuning, database development, high availability and database design. He is passionate about database technologies and "data" in general. He has earned the MCITP Database Administrator 2008, and holds a Master of Science degree in Engineering. He provides insights from the field on his blog at http://SqlServerZest.com. His hobbies includes Running and Travelling.
You can follow him on Twitter @SqlServerZest

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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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