Toad Data Modeler 3 Toad, Data, Modeler

Toad Data Modeler is a great tool for database developer and dba to develop and maintain database.

Here is the official claim of the software:
Toad Data Modeler allows you to:

• Create quality database structures and provide documentation on multiple platforms
• Quickly and automatically generate new database structures or make changes to existing models
• Visually create structures with an Entity Relationship Diagram
• Easily reverse engineer databases
• Import models from SQL script
• Migrate data structures from one database version or platform to another
• Generate detailed reports for documenting existing database structures
• Model according to business requirements by adding logical data to your diagrams
• Synchronize a model with the physically existing database using “ALTER” script generation (Oracle and SQL Server) and Model Merge features

Business Benefits:

• Great value for a fraction of the cost of other modeling tools
• Replaces multiple modeling and design tools needed in a cross-platform environment
• Saves the organization money by improving user productivity
• Facilitates effective database design of actual business requirements
• Saves the organization money by reducing the risk of faults making their way to production
• Reduces requirements and costs of training – short learning curve

You can get it here(version 3.3 with serial) or go to Quest.com for newest info.