Question: Stepwise from Un-normalized to INF to 2NF to 3NF 1. Invoice is not in INF because it contains a repeating group. For each invoice,

Stepwise from Un-normalized to INF to 2NF to 3NF 1. Invoice is

Stepwise from Un-normalized to INF to 2NF to 3NF 1. Invoice is not in INF because it contains a repeating group. For each invoice, the repeating group represents varying number of items in each invoice. Invoice (InvoiceNum, InvoiceDate, CustomerNum, CustomerName, Customer City, (ItemNum, ItemName, ItemPrice, Quantity)) Given Dependencies: InvoiceNum InvoiceDate, CustomerNum, CustomerName, CustomerCity ItemNum ItemName, ItemPrice CustomerNum CustomerName, CustomerCity InvoiceNum, ItemNum Quantity 2. T1 is not in INF because it contains a repeating group. T1 (A, B, C, D, (E, F, G, H)); Given Dependencies: A B, C, D C D E F, G F G A, E H

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