Apache Derby DB Error Code 01504 – The new index is a duplicate of an existing index:
Posted by AbundantCode

In this blog post, let’s learn about the error message “01504- The new index is a duplicate of an existing index: in Apache Derby Database and the description of the error.

Error Message

01504- The new index is a duplicate of an existing index:

Error Details

The new index is a duplicate of an existing index: .

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