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Normalization, Relationships, And Constraints

Normalization, Relationships, And Constraints

Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this information. Next, apply normalization to reduce this table to third normal form. Prepare a Word document showing the original and final tables. Include a short summary (2–3 paragraphs) of the problems with the original single table design and how normalization improved the design.

Orders:

  • Order_id
  • Order_date
  • Customer_id
  • Customer_name
  • Customer_address
  • Customer_city
  • Customer_state
  • Item_id
  • Item_description
  • Item_qty
  • Item_price
  • Item_total_price
  • Order_total_price

This assignment will also be assessed using additional criteria provided here.


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