Logging In as an Administrator

There are three ways to log in to Oracle Database Express Edition (Oracle Database XE) to perform administrative tasks:

Table: Database Administrator Login Methods provides information about each of these login methods.

Database Administrator Login Methods

Login Method	Permitted In	Notes	See
Log in to the database as user `SYSTEM`	The Oracle Database XE graphical user interface and SQL Command Line	For routine administrative tasks like managing memory and managing users. You must supply the password for the `SYSTEM` user.	"Logging In as User SYSTEM"
Log in to the database as a user who has been granted the `DBA` role	The Oracle Database XE graphical user interface and SQL Command Line	For routine administrative tasks like managing users. An administrator must first grant the `DBA` role to the user.	"Logging In as a User with the DBA Role"
Log in and connect to the database as `SYSDBA`	SQL Command Line	For high-level administrative tasks like starting up and shutting down the database, and changing the `SYS` password. You can connect as `SYSDBA` using the `SYS` user name and password, or using operating system authentication.	"Logging In and Connecting to the Database as SYSDBA"