Show DAU in percentage of users per platform


Hello good people!

I have completed the course in Metrics and I consider it very interesting, even though more basic than the other two courses in SQL.

My doubt is not about the questions proposed in course, but something to learn some more about the metrics.

In the exercise, the DAU (daily active users) is displayed grouped by date and platform. Would it be possible to display the DAU with percentage of users per platform, instead of the number of users for each platform? I think this is an interesting way to show the results, and I cannot come up with the code to get to that outcome.

Here is the link to the exercise in the course:


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