I skimmed through the white paper http://www.oracle.com/technetwork/database/multitenant-wp-12c-1949736.pdf. Resource management, PDB-to-RAC-instance affinitization, and thin provisioning (PDB cloning using snapshot technology) are some nice features in Oracle multitenant Date: Tue, 20 May 2014 19:45:38 +0100 Subject: RE: DB12c in Production? From: niall.litchfield@xxxxxxxxx To: iggy_fernandez@xxxxxxxxxxx CC: oracle-l@xxxxxxxxxxxxx I too would love to know the difference. Or how Oracle sell as an extra cost option something that free and cheaper alternatives already have in something other than version 1.0.