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Providing detailed information and counting objects
Calculating metrics for multiple business objects
Understanding the difference between various count metrics
17. Question 3


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For each employee, compute the total order value before discount from all orders processed by this employee between 5 July 2016 and 31 July 2016. Ignore employees without any orders processed. Show the following columns: first_name, last_name, and sum_orders. Sort the results by sum_orders in descending order.

Stuck? Here's a hint!

Join three tables: orders, order_items, and employees.