You can use Windows tools in the following ways to manage Oracle Database:

• Using Event Viewer to Monitor a Database
  Event Viewer lets you monitor events in your system. An event is an important occurrence in the system or application (such as Oracle Database) that requires user notification.
• Using Microsoft Management Console to Administer a Database
  Microsoft Management Console provides a central location for network administration.
• Using Registry Editor to Modify Configuration Information
  Oracle Database stores its configuration information in a structure known as the registry.
• Using Task Manager to Monitor Applications and Processes
  Task Manager monitors applications and processes.
• Using Local Users and Groups to Manage Users and Groups
  Local Users and Groups enable you to manage users and groups on Windows.