Centrally Managed Users (CMU) - New Feature in Oracle Database 18c
Centrally Managed Users (CMU) Centrally Managed Users or CMU is a new feature introduced since Oracle DB 18c which allows simplified database user management through integration with Microsoft Active Directory (AD). Beginning with Oracle Database release 18c, version 18.1 and later supports direct integration with Microsoft Active Directory (AD) using the new centrally managed users capability. CMU allows the Oracle database to perform user authentication and authorization directly against AD. Benefits of CMU With centrally managed users, users accessing the database can be centrally managed to improve an organization's security posture. An enterprise user (a user in Microsoft Active Directory) can be exclusively mapped to a database account, or many enterprise users (in an Microsoft Active Directory group) can be mapped to a shared account in the database. Microsoft Active Directory groups can also be mapped to a database global role, which provides users with additional privilege