Normally Bentley Map works in a non-versioned, pessimistic transaction. That means features must be locked before editing. When they are locked, they cannot be edited by other users. All changes must be posted to Oracle or discarded before the end of the edit session.

However, if Bentley Map detects a license of the ProjectWise Connecter Client, then the user is able to work in a versioned, optimistic transaction mode if desired. This means the user can create a new version in Oracle in which to do his edits. Features do not have to be locked for other users to edit. Versioned changes do not have to be committed to the master or parent version if an editing session ends. However, any changes made to the version should be posted or discarded before closing the edit session.

To work with Bentley Map in a versioned environment, Oracle’s Workspace Manager must be installed and the tables being edited must be version enabled. To perform conflict resolution using the Conflict Inspector dialog, the user needs to have the WM_ADMIN role granted.

The user still has an option of working in a pessimistic mode when selecting a version. Doing so means the features must be locked before editing.