If you have previously worked on PeopleSoft Application Upgrades for older version below 8.8, you would have done database compares between the source and demo;

The source being the newly released demo and the target being copy of prod; The Compare process creates the UPGCUST project in the source database that would give you the list of changes between the both databases; you select what changes you want to keep and what not to take during this compare process. The below screen shot provides the process of older version of upgrade compares:

Read Further:http://www.peoplesoftupgrades.blogspot.com/2012/11/new-upgcust-peop...