— reverse engineer
http://www.oracle.com/webfolder/technetwork/tutorials/obe/db/sqldevdm/r30/datamodel2moddm/datamodel2moddm.htm
http://www.oracle.com/webfolder/technetwork/tutorials/obe/db/sqldevdm/r20/updatedb/UpdateDB.html
http://www.slideshare.net/kgraziano/reverse-engineering-an-existing-database-using-oracle-sql-developer-data-modeler![]()
http://www.oracle.com/webfolder/technetwork/tutorials/obe/db/sqldevdm/r30/datamodel2moddm/datamodel2moddm.htm
http://www.oracle.com/webfolder/technetwork/tutorials/obe/db/sqldevdm/r20/updatedb/UpdateDB.html
http://www.slideshare.net/kgraziano/reverse-engineering-an-existing-database-using-oracle-sql-developer-data-modeler