15. Example We must repeat the loan number once for each address a customer has and we must repeat the address for each loan a customer has. loan_number cust_id cust_street cust_city L-23 99-123 North Rye L-23 99-123 Main Manchester L-93 15-106 Lake Horseneck
16. Example We must repeat the loan number once for each address a customer has and we must repeat the address for each loan a customer has. This repetition is unnecessary since the relationship between a customer and his address is independent of the relationship between that customer and a loan. loan_number cust_id cust_street cust_city L-23 99-123 North Rye L-23 99-123 Main Manchester L-93 15-106 Lake Horseneck
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