57. Top Spenders via a Derived Table
MediumSubqueriesderived tablesubquery in FROMGROUP BYHAVING
A derived table is a subquery in the FROM clause that you treat like a temporary table. It is handy when you must aggregate first and then filter or join on the aggregate.
Task: using a derived table that totals each customer's spend, return the customers whose total spend is at least 100.
Return columns name, total_spent. Order by total_spent descending, then name ascending.
Tables
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Expected outputrows must come back in this order
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This is the result for the example data above. On Submit your query is graded against this example plus 4 hidden edge cases — 5test cases in all. A sloppy query that only fits the example won't pass.
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