Hierarchy Developer's Guide for Oracle Self-Service E-Billing > Hierarchy Manager Concepts > Reporting Periods and Versioning >

Hierarchy Versioning

Changes made to the hierarchy structure and the relationship across different reporting periods are versioned. Changes made to user assignments and link target attributes are not versioned. Here are some examples:

Structure changes will be versioned.

Attributes of link target will not be versioned. For example, the owner of Phone1 changes from "Joe" to "Susan", the information that Joe has owned the Phone1 in the past will be lost.