问题
表: Weather
+---------------+---------+
| Column Name | Type |
+---------------+---------+
| id | int |
| recordDate | date |
| temperature | int |
+---------------+---------+
在 SQL 中,id 是该表的主键。
该表包含特定日期的温度信息
找出与之前(昨天的)日期相比温度更高的所有日期的 id 。
返回结果 无顺序要求 。
结果格式如下例子所示。
输入:
Weather 表:
+----+------------+-------------+
| id | recordDate | Temperature |
+----+------------+-------------+
| 1 | 2015-01-01 | 10 |
| 2 | 2015-01-02 | 25 |
| 3 | 2015-01-03 | 20 |
| 4 | 2015-01-04 | 30 |
+----+------------+-------------+
输出:
+----+
| id |
+----+
| 2 |
| 4 |
+----+
解释:
2015-01-02 的温度比前一天高(10 -> 25)
2015-01-04 的温度比前一天高(20 -> 30)
解答
# Write your MySQL query statement below
select w1.id from Weather as w1 join Weather as w2 on datediff(w1.recordDate, w2.recordDate) = 1 where w1.temperature > w2.temperature;
标签:01,15,08,Weather,w1,2023,2015,recordDate,id
From: https://blog.51cto.com/u_7682110/7095379