To start working with a database using Generate Database, Database Modification, SQL Execute and Reverse Engineering functions, you have to connect to it first. To do so, please follow these steps:
1. Select the Database | Connect file menu item, or press Ctrl-Shift-N. The Database Connection Manager will appear.
2. Select one of the defined database profiles in the list or add a new one.
3. Click OK to establish connection to the database.
Database Generation: Database Generation
Database Tools: SQL Executor | Database Connection Manager
Reverse Engineering and Import: Reverse Engineering PostgreSQL Database