Description of the illustration sagug_vm_010.eps

This figure shows a Production CDB and a Test/Development CDB. The Production CDB contains three PDBs. The Test/Development CDB contains two test master PDBs and six snapshot PDBs. The test master PDBs are read-only or mounted databases, and they are full copies of the PDBs in the Production CDB. The snapshot PDBs are read-only or read-write databases, and they utilize sparse files that contain only changed blocks.