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Database structure queries

Gets most important information of database structure. This includes all user tables, their fields, datatypes, defaults (including default constraint names), etc, primary keys and their fields, unique constraints and their fields, check constraints (including their conditions), foreign key constraints and their fields aswell as any other indexes and their fields. Should be quite useful for […]

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2002-04-08

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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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