Quest Toad Data Modeler 6.5

Toad Data Modeler enables you to rapidly deploy accurate changes to data structures across more than 20 different platforms.
It allows you to construct logical and physical data models, compare and synchronize models, quickly generate complex SQL/DDL, create and modify scripts, as well as reverse and forward engineer both databases and data warehouse systems.

Toad's data modeling software simplifies database design, maintenance and documentation.