Aqua Data Studio18.0

New features include ...

- Database Script Generator for full database scripting, including schema DDL and data DML.- Entity Relationship Diagram Generator to reverse engineer and layout, visual representations of databases.- Procedure Editors to easily editing, compiling and running stored procedures.- Visual Explain Whiteboard and Explain Plan enhancements for tunning and comparing explain plans.- Enhanced Query Analyzer, Import Tool and Export Tool.

... much more http://www.aquafold.com/features_4_5.html.