Database Normalization Solution
Database Normalization
Normalize the below Orders table to 3NF. Make sure to identify all the entities and their attributes, especially if you make any new items (such as entity or attributes). The following is a list of possible attributes for ORDERS; you may have more:
ORDERS
OrderNo
CustomerNo
CustomerName
CustomerAddress
CustomerCity
CustomerState
CustomerZip
OrderDate
ItemsOrdered
Total
Submit dependency diagrams for all entities you create. The following table is a sample of data, before ORDERS was normalized. Please start with the below table and then write out each dependency diagram as you move from 1NF to 2NF to 3NF. You must show your progress and submit your final document with all dependency diagrams.
The following table is a sample, before ORDERS was normalized:
ORDER NO | ORDER DATE | CUSTOMER NO | CUSTOMER NAME | CUSTOMER ADDRESS | ITEMS ORDERED
|
100 | 1/1/99 | 54545 | ACME Co | 1234 1st St. | 1A4536, Flange, 7lbs, $75;4-OR2400, Injector, .5lbs, $108;4-OR2403, Injector, .5lbs, $116;1-4I5436, Head, 63lbs, $750 |
101 | 1/1/99 | 12000 | Sneed Corp. | 555 Main Ave. | 1-3X9567, Pump, 5lbs, $62.50 |
102 | 1/1/99 | 66651 | ZZZ & Co. | 4242 SW 2nd | 7-8G9200; Fan, 3lbs, $84;1-8G5437, Fan, 3lbs, $15;1-3H6250, Control, 5lbs, $32 |
103 | 1/2/99 | 54545 | ACME Co | 1234 1st St. | 40-8G9200, Fan, 3lbs, $480;1-2P5523, Housing, 1lb, $165;1-3X9567, Pump, 5lbs, $42 |
11 years ago
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