表 Weather
+---------------+---------+
| Column Name | Type |
+---------------+---------+
| id | int |
| recordDate | date |
| temperature | int |
+---------------+---------+
id 是这个表的主键
该表包含特定日期的温度信息
编写一个 SQL 查询,来查找与之前(昨天的)日期相比温度更高的所有日期的 id 。
返回结果 不要求顺序 。
查询结果格式如下例:
Weather
+----+------------+-------------+
| id | recordDate | Temperature |
+----+------------+-------------+
| 1 | 2015-01-01 | 10 |
| 2 | 2015-01-02 | 25 |
| 3 | 2015-01-03 | 20 |
| 4 | 2015-01-04 | 30 |
+----+------------+-------------+
Result table:
+----+
| id |
+----+
| 2 |
| 4 |
+----+
2015-01-02 的温度比前一天高(10 -> 25)
2015-01-04 的温度比前一天高(30 -> 20)
来源:力扣(LeetCode)
链接:https://leetcode-cn.com/problems/rising-temperature
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# Write your MySQL query statement below select a.Id from Weather as a,Weather as b where a.Temperature > b.Temperature and dateDiff(a.RecordDate,b.RecordDate)=1