SAS/MDDB Server Administrator's Guide

Using Version 6, Version 7, and Version 8 MDDBs

If you are using MDDBs created with different versions of SAS/MDDB Server, you should be aware of the following:

Version 8 of SAS/MDDB Server reads Version 6 MDDBs without conversion but not Version 7 MDDBs. If you have MDDBs created in Version 7, you should re-create them with Version 8.
MDDBs created in a given version will not be read by a previous version of SAS/MDDB Server. For example, SAS/MDDB Server Version 6 will not read MDDBs created in Version 7 or Version 8.