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Does surrogate key assignment for a fact table require that the source data has natural keys?

Let's say I have a simple OLTP database with orders, products, and customers: And from it, I am building a data mart with an orders fact table, product dimension, customer dimension, and date ...

asked Aug 29 '12 at 16:45

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Does surrogate key assignment for a fact table require that the source data has natural keys?

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