[1322#] Ads Performance
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SQL/LeetCode
보호되어 있는 글입니다.
[1303#] Find the Team Size
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SQL/LeetCode
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[1294#] Weather Type in Each Country
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SQL/LeetCode
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[602#] Friend Requests II: Who Has the Most Friends
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SQL/LeetCode
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[1280#_EASY] Students and Examinations
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SQL/LeetCode
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[1251#_EASY] Average Selling Price
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SQL/LeetCode
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[585#] Investments in 2016
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SQL/LeetCode
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[1179] Reformat Department Table
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SQL/LeetCode
Table: Department +-------------+---------+ | Column Name | Type | +-------------+---------+ | id | int | | revenue | int | | month | varchar | +-------------+---------+ (id, month) is the primary key of this table. The table has information about the revenue of each department per month. The month has values in ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"]. Write an ..