Apache Derby DB Error Code 42X79 – Column name ‘‘ appears more than once in the res

AbundantCode 2 months ago in Apache Derby 0

In this blog post, let’s learn about the error message “42X79- Column name ‘‘ appears more than once in the res” in Apache Derby Database and the description of the error.

Error Message

42X79- Column name ‘‘ appears more than once in the res

Error Details

Column name ‘‘ appears more than once in the result of the query expression.

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