Set Password for SYS account
As you know if somebody knows the user account and password of my System then he can easly access my database and make some changes ,if he has little bit idea about oracle.
And suppose if he is distructive type of person then he can destroy my database by logining "/ as sysdba" account. So i have decided to set the password for "SYS" account to give security of my database .
To achive this i have tried number of ways to set the password, some how i succeed also but i am not satisfy with these solution.
Things which i have tryed is :-