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Revenue Trend Analysis in SQL Server

Introduction
Reports with revenue in categories
Summary
17. Question 2

Instruction

Very good! Let's move on to Question 2.

Exercise

For each category, find the December 2016 revenue and show it alongside the ratio of that category's revenue to the total revenue for December 2016. Show the following columns: CategoryName, CategoryRevenue, and TotalRevenueRatio. Round the TotalRevenueRatio to 2 decimal places.

Stuck? Here's a hint!