SQL Developer Data Modeler (SDDM) is a full function data modeling tool provided for FREE by Oracle. It has many features built in that can be leveraged to capture the design of an existing (probably undocumented) database, retrofit it to a logical model, re-engineer it to multiple physical models (including multi-dimensional), and even apply standards, then generate revised DDL to implement your newly standardized design. You can even use one logical model to develop multiple physical models that can be deployed to different RDBMS. The presentation will provide step-by-step instructions on how to do all this so the attendees can go back to the office and quickly create diagrams of all their existing databases (Oracle and non-Oracle!). See more content like this by following my blog http://kentgraziano.com or follow me on twitter @kentgraziano.
Clipping is a handy way to collect important slides you want to go back to later.