Add another valid solution for question 5 #4
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simonmartinengo
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simonmartinengo
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Thanks for posting this. My COUNT is grayed out on MySql (as well as my SUM) so this formula worked for me.
zawette
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Feb 16, 2023
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I'm still learning SQL so maybe my solution doesn't work under other conditions but in the case of the data given, it's valid.