In the SAP liveCache basis layer, the terms liveCache schema, class ID, class name, or container number are not used. Instead, the SAP liveCache basis layer assigns a unique number, the file ID, for every class of the OMS intermediate layer. If a class is deleted in the SAP liveCache database, the corresponding file ID is also deleted and can then be assigned to a new class

In the SAP liveCache basis layer, only classes and class containers are used.