Question: Question 10: Write a SQL statement that gives the total revenue by postal code. No row should appear more than once. Order your results by

 Question 10: Write a SQL statement that gives the total revenue

Question 10: Write a SQL statement that gives the total revenue by postal code. No row should appear more than once. Order your results by country, then district, then postal code. Include your results. List the following information in your output: district city postal code revenue

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