If a reference table or a content set is not under version control, you can open and update the object outside the version control system. When you open the object, the Model repository locks the object so that another user cannot work on it.

If a reference table or a content set is under version control, you open the object in read-only mode. To work on the object, check out the object from the Model repository. Alternatively, check out the object and then open it. Check in the object to create a version of the object that contains your latest changes.