Apache Derby DB Error Code X0Y44 – Constraint ‘‘ is invalid: there is no unique

Posted by AbundantCode

In this blog post, let’s learn about the error message “X0Y44- Constraint ‘‘ is invalid: there is no unique” in Apache Derby Database and the description of the error.

Error Message

X0Y44- Constraint ‘‘ is invalid: there is no unique

Error Details

Constraint ‘‘ is invalid: there is no unique or primary key constraint on table ‘‘ that matches the number and types of the columns in the foreign key.