Using Data Modeler
Data Modeler provides an integrated version of Oracle SQL Developer Data Modeler with basic reporting features. You can create diagrams from existing schemas, retrieve data dictionary information, generate DDL statements, and export diagrams.
The Data Modeler interface consists of the left pane for navigating objects and diagrams, the editor pane for working with relational diagrams, and the right pane for viewing the properties of the object selected in the diagram. These panes are described in the following sections: