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Your recommended design ran into a snag. The team leader said it wasn’t bad, but it did not go far..

Your recommended design ran into a snag. The team leader said it wasn’t bad, but it did not go far enough. The specific comment was that it was not in third normal form. Also, the team finally decided on a code for the customer ID field, which is a primary key. The code will be a combination code, with four letters followed by four digits. The letters would be the first four letters of the customer’s last name, which might make it easier for customers to remember. A. Review the sample ERD and table designs, and convert them to third normal form (3NF). B. Calculate the exact number of possible combinations with a code composed of four letters followed by four numbers. Does this seem like a good choice? Why or why not? What would you suggest?

 

Apr 30 2020 View more View Less

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