¿Cuáles son los roles de un DBA?

1. CONNECT
2. RESOURCE
3. SELECT_CATALOG_ROLE
4. EXECUTE_CATALOG_ROLE
5. DELETE_CATALOG_ROLE
6. EXP_FULL_DATABASE
7. IMP_FULL_DATABASE
8. LOGSTDBY_ADMINISTRATOR
9. AQ_ADMINISTRATOR_ROLE
10. AQ_USER_ROLE
11. DATAPUMP_EXP_FULL_DATABASE
12. DATAPUMP_IMP_FULL_DATABASE
13. GATHER_SYSTEM_STATISTICS
14. RECOVERY_CATALOG_OWNER
15. SCHEDULER_ADMIN
16. HS_ADMIN_ROLE
17. GLOBAL_AQ_USER_ROLE
18. OEM_ADVISOR
19. OEM_MONITOR
20. WM_ADMIN_ROLE
21. JAVAIDPRIV
22. JAVASYSPRIV
23. JAVADEBUGPRIV
24. AUTHENTICATEDUSER
25. OLAP_DBA