> in fact - do you really need multi-generational persistence for this

task at

> all?
> Have you thought of doing it with memory arrays? and not creating
> persistence until after the task is complete?
> Alan

Alan is right here. You could probably achieve what you are after using
a TClientDataSet or equivalent (TkbmMemtable etc). Why even introduce
the Disk I/O costs associated with a database when you have no
intentions of storing the data?