Oracle 11g Default Password for SYS SYSTEM DBSNMP
Default Admin Username and Password list for Oracle 11g Database
Oracle 11g Default Password
SYS (Used to perform database administration tasks)
Password: Password is created at installation or database creation time.
SYSMAN (Used to perform Oracle Enterprise Manager database administration tasks)
Password : Created at installation or database creation time.
SYSTEM ( Default generic database administrator account for Oracle databases.)
Password: Created at installation or database creation time.
DBSNMP (The account used by the Management Agent component of Oracle Enterprise Manager to monitor and manage the database)
Password: Created at installation or database creation time.
If you forget your password, you can reset it using this procedure.