A database system and method for ordering on demand a plurality of marketing offers for offering to a candidate in response to an inbound communication from the candidate. The database system comprises a first database structure storing a first list identifying marketing offers, a second database structure storing a second list of candidates, and a database manager software application stored on a computer readable medium. The database manager software application comprises an on demand optimization tool. The on demand optimization tool is for optimizing and sorting, the marketing offers from the first list with for a first candidate from the second list in response to an inbound communication from the first candidate.