목록197 (1)

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leetcode 197. Rising Temperature

1) SELF JOIN 1-1) SELECT * FROM Weather w1, Weather w2 WHERE DATE_ADD(w1.recordDate, INTERVAL 1 DAY) = w2.recordDate AND w1.Temperature < w2.Temperature 1-1) 결과 {"headers": ["Id", "RecordDate", "Temperature", "Id", "RecordDate", "Temperature"], "values": [[1, "2015-01-01", 10, 2, "2015-01-02", 25], [3, "2015-01-03", 20, 4, "2015-01-04", 30]]} 2) w2.Id 2-1) SELECT w2.Id AS Id FROM Weather w1, Wea..
LeetCode/SQL 2021. 1. 18. 20:02
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