Can I upgrade to Warehouse Builder 10g Release 2 from an earlier release of Warehouse Builder?
Yes. However, direct migration is only supported from Warehouse Builder 10.1.0.4. To upgrade from the earlier versions ((9.2.x, 9.0.x) to Warehouse Builder 10g Release 2, it will be necessary to first migrate to 10.1.0.4. More information on upgrading 10g Release 2 can be found in the Installation and Configuration Guide, Chapter 3 “Upgrading to Warehouse Builder 10g Release 2”.