1Oracle Data DictionaryDefines the realm for the Oracle Catalog schemas, SYS, SYSTEM, SYSMAN, MDSYS, etc. Also controls the ability to grant system privileges and database administrator roles.2Oracle Database VaultDefines the realm for the Oracle Database Vault schemas - DVSYS, DVF and LBACSYS where Database Vault access control configuration and roles are contained.6Database Vault Account ManagementDefines the realm for administrators who create and manage database accounts and profiles.7Oracle Enterprise ManagerDefines the Enterprise Manager monitoring and management realm.