The CONNECT command is used to change your database connection, log in as a different user, or to connect to the database in an administrative mode. Chapter 2 describes CONNECT for normal users. Chapter 10 describes the administrative options.
CONN[ECT] [username
[/password
][@connect
]|/|] [AS {SYSOPER|SYSDBA}]|[INTERNAL]
where:
May be abbreviated CONN.
Is your database username.
Is your database password.
Is the connect string, or host string, telling SQL*Plus the database to which you want to connect.
Use a forward slash instead of your username, password, and connect string when you want to connect to a local database using operating-system authentication.
Tells SQL*Plus you are connecting in an administrative role.
Tells SQL*Plus you are connecting as a database administrator.