To let you familiarize with DBFeeder we prepared two demos that you can install from scratch in an empty database schema:
On the point 'Type A/M for automatic/manual cardinality setup' choose A
On the point 'Give maximal cardinality to be chosen for all tables of user HR_DEMO (<= 10000):' type 200
DBFeeder generates now the sql scripts, At the end you should get something like:
Tip:remark the correspondence between directory tree and database structure.