Question: Database tables and apply the requirements below. Primary keys Eliminate duplicate data Eliminate unnecessary dependancies Apply 3 rules of normalization 1NF - 2 NF -

  •  Database tables and apply the requirements below.
  • Primary keys
  • Eliminate duplicate data
  • Eliminate unnecessary dependancies
  • Apply 3 rules of normalization 1NF - 2 NF - 3NF

For the following table:

Given a Table named “Invoices”, where the following data is stored:

  • Invoice_Num
  • Customer_Name
  • Invoice_Date
  • Package_Number
  • Shipping_Cost
  • Total_Before_Taxes
  • Total_Taxes = Calculation of taxes
  • Total_Invoice = Sum of Total_Before_Taxes and Total_Taxes
  • Customer_Address_1
  • Customer_Address_2
  • Customer_Phone_1
  • Customer_Phone_2
  • Customer_Email_1
  • Customer_Email_2
  • Invoice_Registry_Date
  • Registry_Username = Username that registered the invoice.
  • Current_State_Invoice

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