You can use Oracle Enterprise Manager Database Express to manage your database.
Oracle Enterprise Manager Database Express is a web-based tool for managing Oracle Database 12c. Oracle Enterprise Manager Database Express is optionally installed with Oracle Database on the Oracle Database Appliance. See Oracle Database 2 Day DBA for an introduction to Oracle Enterprise Manager Database Express.
Oracle Enterprise Manager Database Express provides the following features:
Support for basic administrative tasks, such as storage and user management
Comprehensive solutions for performance diagnostics and tuning
Performance advisors in a graphic user interface
Oracle Database utilities in a graphic user interface, such as SQL*Loader and Oracle Recovery Manager (RMAN)
See Also:
Oracle Database 2 Day DBA