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Multiple metrics for a single object
Metrics for two groups
Ratios and percentages
Global vs. specific metrics
18. Question 4


Fantastic! Here's your last question.


What percentage of all orders placed in 2016 were generated by each customer? Show three columns:

  1. CustomerID
  2. OrderCount – the number of orders placed by that customer in 2016
  3. OrderCountPercentage – the percentage of orders placed by that customer in 2016, compared to all orders placed in 2016. Round the value to two decimal places

Stuck? Here's a hint!