In this blog post, let’s learn about the error message “42Z19- Column ‘‘ is being referenced by at least one fo” in Apache Derby Database and the description of the error.
Error Message
42Z19- Column ‘‘ is being referenced by at least one fo
Error Details
Column ‘‘ is being referenced by at least one foreign key constraint ‘‘. To alter the length of this column, you should drop referencing constraints, perform the ALTER TABLE and then recreate the constraints.