Star schemas are great for generalized data warehouse schemes, but what if you want to warehouse financial data...
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and preserve the account relationships betweend GL, AP, AR, INVENTORY and the like? Does the star schema have to be abandoned in this case? Can it be adapted? I have seen warehouses do this kind of thing, so yes, it can be done. You have to decide how you will be using the data in the warehouse; you have to rethink the relations, since a data warehouse is not just a bigger version of your OLTP system. I suggest looking at a few books on data warehouse design and theory before undertaking this conversion.
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