Oracle SQL Developer Data Modeler is a free graphical tool that enhances productivity and simplifies data modeling tasks. Using Oracle SQL Developer Data . No results found. Your search did not match any results. We suggest you try the following to help find what you're looking for: Check the . SQL Developer Data Modeler is a free graphical tool that allows you to create, browse and edit, logical, relational, physical, multi-dimensional, and data type . SQL Developer Data Modeler est un outil graphique gratuit qui permet de créer, de parcourir et de modifier des modèles logiques, relationnels, physiques, . How to Open the Data Modeler in Oracle SQL Developer. January 27, 2014 2 Mins Read.