22. A method according to claim 21 , wherein said application program and said broker application are run on a workstation, said database is run on a server remote from said workstation, and communication between said broker application and said database is carried out over a computer network.
22. A method according to claim 21 , wherein said application program and said broker application are run on a workstation, said database is run on a server remote from said workstation, and communication between said broker application and said database is carried out over a computer network. 23. A method according to claim 22 , wherein the computer network is the Internet.