Roles

Create

CREATE ROLE <RoleName>;

CREATE ROLE data_mgr;

Example Session

 CREATE ROLE data_steward_r;
 CREATE ROLE data_steward_rw;

 GRANT READ ANY TABLE TO data_steward_r;

 GRANT READ ANY TABLE   TO data_steward_rw;
 GRANT INSERT ANY TABLE TO data_steward_rw;
 GRANT UPDATE ANY TABLE TO data_steward_rw;
 GRANT DELETE ANY TABLE TO data_steward_rw;

 GRANT ROLE data_steward_r  TO scott;
 GRANT ROLE data_steward_rw TO betty;

Data Steward Option

 -- This Allows a User to Perform DDL and DML on All User Tables in Database
 GRANT ALL PRIVILEGES TO <Username|Role>;

Does not allow many DBA operations however.

Display

-- All Roles in Database

SELECT * FROM dba_roles ORDER BY role;

-- A Particular Role

SELECT * FROM dba_role_privs WHERE granted_role='ROLE_NAME';

-- All Roles a User is a Member Of

COL grantee      FORMAT a15
COL granted_role FORMAT a15
SELECT * FROM dba_role_privs WHERE grantee = '&v_Username';

-- All Users in a Particular Role

SELECT grantee FROM dba_role_privs WHERE granted_role = '&v_RollName' ORDER BY grantee;

-- Priviledges for Roles

SELECT username, granted_role, default_role, admin_option FROM user_role_privs;

Drop

DROP ROLE <RoleName>;

DROP ROLE data_mgr;