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Need validation rule to pevent duplicating a customer number
On Mon, 20 Mar 2006 07:38:31 -0800, Ron Weaver
wrote: Thanks John How do you get around the unique number when you need to pull up all of Jim Smith's orders for the last year?? By assigning a unique ID to Jim Smith, and not changing it. There is a CustomerID AutoNumber, but it gives Jim Smith a different number on every order. Then it's not a customer ID; it's an order ID. The only customer information they input is customer name. Then you need to restructure your database to have a customer table with one record per customer. This is an internal audio visual operation at a hospital. shrug If you need to keep track of individual customers, then a Customer is a valid Entity for your application, and as such needs a Table with a unique CustomerID. It is neither necessary nor beneficial for this unique CustomerID to be an "intelligent key". John W. Vinson[MVP] |
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