I would attach Django to an existing database and [ab]use django.contrib.admin to get quite user friendly interface to a database, with validation, mater-detail views, etc. It's really not that hard.
What is the advantage of aidmin?
What is the advantage of aidmin?
This is also just the initial iteration. If you had a chance to check out the demo, all the screens where you manage your workspace (users, data source, etc) are all joins and use the Aidmin to manage itself.