I have created one new user "balusu",for this user how to grant SYSDBA or SYSOPER privileges...
SQL> grant sysdba to balusu;
grant sysdba to balusu
*
ERROR at line 1:
ORA-01031: insufficient privileges
SQL> grant sysoper to balusu;
grant sysoper to balusu
*
ERROR at line 1:
ORA-01031: insufficient privileges
SQL> shutdown normal;
ORA-01031: insufficient privileges
SQL> shutdown immediate;
ORA-01031: insufficient privileges
SQL> shutdown abort;
ORA-01031: insufficient privileges
SQL> shutdown
ORA-01031: insufficient privileges
SQL>