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Advanced grouping

You are interested in knowing how much money is coming in from cities in the USA and Canada. This information can be found in the Total column of the Invoice table.

To solve this problem, you will need to combine multiple statements that you've seen earlier in this chapter, such as aggregate functions, WHERE, GROUP BY, and ORDER BY.

This exercise is part of the course

Introduction to Oracle SQL

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Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

-- Select the BillingCountry, BillingCity
___ ___, ___
FROM Invoice
-- Filter on BillingCountry 
___ BillingCountry ___ (___, ___)
Edit and Run Code