>I'm looking for tricks or techniques that would enable movement of data created on different installations of my app and "handle" the disparity between meaningless keys that the framework automatically generates.
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>Here's the scenario: User-A uses User-B's installation of the app and creates data. When finished, User-A wants to take his data back to his own machine. Except, the meaningless keys generated on User-B's machine may violate the uniqueness of the meaningless keys generated on User-A's machine. Hmmm .......
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>Programmatically, I know I could export A's data from B's machine and *process* the migrant data serially when importing it into A's own machine. But surely there good and less good ways to go about doing that. Miriam Liskin in FoxPro Advisor writes about Importing and Exporting but I've not seen any papers on the challenges of using meaningless keys and moving data between machines.
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>Any ideas?

Each installation may have own unique key, which can participate in data primary key(s) generation.