List all users who have been assigned a particular role
-- Change 'DBA' to the required role
select * from dba_role_privs where granted_role = 'DBA'
List all roles given to a user
-- Change 'PHIL@ to the required user
select * from dba_role_privs where grantee = 'PHIL';
List all privileges given to a user
lpad(' ', 2*level) || granted_role "User, his roles and privileges"
/* THE USERS */
username like upper('%&enter_username%')
/* THE ROLES TO ROLES RELATIONS */
/* THE ROLES TO PRIVILEGE RELATIONS */
start with grantee is null
connect by grantee = prior granted_role;
Note: Taken from http://www.adp-gmbh.ch/ora/misc/recursively_list_privilege.html
List which tables a certain role gives SELECT access to?
-- Change 'DBA' to the required role.
select * from role_tab_privs where role='DBA' and privilege = 'SELECT';
List all tables a user can SELECT from?
--Change 'PHIL' to the required user
select * from dba_tab_privs where GRANTEE ='PHIL' and privilege = 'SELECT';
List all users who can SELECT on a particular table (either through being given a relevant role or through a direct grant (ie grant select on atable to joe))? The result of this query should also show through which role the user has this access or whether it was a direct grant.
-- Change 'TABLENAME' below
select Grantee,'Granted Through Role' as Grant_Type, role, table_name
from role_tab_privs rtp, dba_role_privs drp
where rtp.role = drp.granted_role
and table_name = 'TABLENAME'
select Grantee,'Direct Grant' as Grant_type, null as role, table_name
where table_name = 'TABLENAME' ;