If table_name is specified with schema, remove schema and add warning message “This conversion has inappropriate possibility”. If (column, column, …) is specified in referenced table's specification, remove (column, column, …) and add warning message “This conversion has inappropriate possibility” .

Oracle:

[CONSTRAINT constraint_name]  FOREIGN KEY(column, column, …) REFERENCES [schema.]table_name[(column, column, …)]

HiRDB:

[CONSTRAINT constraint_name]  FOREIGN KEY(column, column, …) REFERENCES  table_name