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[해커랭크] Ollivander's Inventory_SUBQUERY를 통한 풀이

더보기 [문제] Harry Potter and his friends are at Ollivander's with Ron, finally replacing Charlie's old broken wand. Hermione decides the best way to choose is by determining the minimum number of gold galleons needed to buy each non-evil wand of high power and age. Write a query to print the id, age, coins_needed, and power of the wands that Ron's interested in, sorted in order of descending power...
Development/문제풀이 2023. 8. 2. 12:34
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