Apache Derby DB Error Code 42X91 – Constraint name ‘‘ appears more than once in

Posted by AbundantCode

In this blog post, let’s learn about the error message “42X91- Constraint name ‘‘ appears more than once in” in Apache Derby Database and the description of the error.

Error Message

42X91- Constraint name ‘‘ appears more than once in

Error Details

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