Life, easy to forget the Oracle database system user password, how to do it, niche take you step by step back to Oracle, timely your password forgotten.
1. Open cmd window, enter Sqlplus/as SYSDBA
2, run CMD, enter the ALTER user username account unlock; (user name is the user you want to retrieve/change the password for, for example, System user)
3. Alter user name (System) identified by new password (m1234); Change Password (note: Be sure to enter the letter in the English input state, otherwise not recognized)
4, modified successfully, now you can use the new password m1234 login
A start Sqlplus
b Login with username and password (system/m1234)
M1234 Login success with new password, note: Oracle One G for security purposes, enter the password is not displayed input, enter the m1234 and press ENTER after the line.
Oracle Forgot Password recovery