ocp-047-107

privileges can be inspected using the following views:
1. USER_SYS_PRIVS  System privileges granted to the current user
2. USER_TAB_PRIVS  Granted privileges on objects for which the user is 
the owner, grantor, or grantee
3. USER_ROLE_PRIVS  Roles granted to the current user
4.DBA_SYS_PRIVS  System privileges granted to users and roles
5.DBA_TAB_PRIVS  All grants on objects in the database
6.DBA_ROLE_PRIVS  Roles granted to users and roles
7.ROLE_SYS_PRIVS  System privileges granted to roles
8.ROLE_TAB_PRIVS  Table privileges granted to roles
9.SESSION_PRIVS  Session privileges which the user currently has set