Portfolio management methods, systems, and computer programs are provided for allowing users to extract content out of an online transaction processing system into {HEAD ~ a portfolio management system database} using a data warehouse as {TAIL ~ a filtering device} in an integrated database system 
Portfolio management methods , systems , and computer programs are provided for allowing users to extract content out of an online transaction processing system into { HEAD ~ a portfolio management system database } using a data warehouse as { TAIL ~ a filtering device } in an integrated database system
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