Question: Consider the following schema: Customer (cust_id, cust_name). Product (prod_code ,prod_name, unit_price) Customer_Order (order_code, order_date, cust_id) Order_Item (order_code, prod_code, num_of_units) Develop DDL of in SQL Add

Consider the following schema:

  1. Customer (cust_id, cust_name).
  2. Product (prod_code ,prod_name, unit_price)
  3. Customer_Order (order_code, order_date, cust_id)
  4. Order_Item (order_code, prod_code, num_of_units)

  1. Develop DDL of in SQL
  2. Add Column contact in Customer Table
  3. Add Column company_name in Product Table

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