SQL> select table_name from dict where table_name like
SQL> select * from user_sys_privs;
SQL> select * from user_role_privs;
SQL> select * from user_tab_privs;
SQL> select * from dba_roles;
SQL> select * from dba_sys_privs;
SQL> select * from dba_role_privs;
SQL> select * from column_privileges;
SQL> select * from role_role_privs;
SQL> select * from role_sys_privs;
SQL> select * from role_tab_privs;
SQL> select * from session_privs;
SQL> select * from tab_privileges;
From:http://tw.wingwit.com/Article/program/Oracle/201311/16659.html