Apache Derby DB Error Code 42Z18 – Column ‘‘ is part of a foreign key constraint ‘<

Posted by AbundantCode

In this blog post, let’s learn about the error message “42Z18- Column ‘‘ is part of a foreign key constraint ‘<" in Apache Derby Database and the description of the error.

Error Message

42Z18- Column ‘‘ is part of a foreign key constraint ‘<

Error Details

Column ‘‘ is part of a foreign key constraint ‘‘. To alter the length of this column, you should drop the constraint first, perform the ALTER TABLE, and then recreate the constraint.