Apache Derby DB Error Code 42X12 – Column name ‘‘ appears more than once in the CRE

AbundantCode 1 month ago in Apache Derby 0

In this blog post, let’s learn about the error message “42X12- Column name ‘‘ appears more than once in the CRE” in Apache Derby Database and the description of the error.

Error Message

42X12- Column name ‘‘ appears more than once in the CRE

Error Details

Column name ‘‘ appears more than once in the CREATE TABLE statement.

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