I am developing this application with an Oracle database. I haven't been documenting the data model, but now an auditor wants to have an entity relationship diagram of my database. There are many tables and creating the ERD in visio manually is out of the question.
I know Toad has Database > Export ER Diagram option, but the result is not exactly presentable because of ugly layout and difficult to edit. Do you know an alternative way which can create a presentable ER diagram? Preferably it will be nice if the resulting diagram is editable and also if the tool is free.