Reset user's password in 11g[@more@]SQL> create user lyon identified by test; User created. SQL> select USERNAME,PASSWORD,ACCOUNT_STATUS ,PROFILE from dba_users where USERNAME='LYON'; USERNAME PASSWORD ------------------------------ ------------------------------ ACCOUNT_STATUS PROFILE -------------------------------- ------------------------------ LYON OPEN DEFAULT SQL> select password,spare4 from user$ where name='AMIT'; no rows selected SQL> select password,spare4 from user$ where name='LYON'; PASSWORD ------------------------------ SPARE4 -------------------------------------------------------------------------------- AAFEADB72956964C S:0655231D9764614EFEC6B1CB011FBDD4B77E8885556884BB5B8307123B20 SQL> grant connect to lyon; Grant succeeded. SQL> conn lyon/test Connected. SQL> conn / as sysdba Connected. SQL> alter user lyon identified by oracle; User altered. SQL> select password,spare4 from user$ where name='LYON'; PASSWORD ------------------------------ SPARE4 -------------------------------------------------------------------------------- 89CB7DBC006297BA S:F32CAC4E420CAE5F07A1FEE76ED686682E9C2D70131C36E6A690DC3C0A21 SQL> conn lyon/test ERROR: ORA-01017: invalid username/password; logon denied Warning: You are no long