WebId as Id from Weather w1 #连接Weather表（自连接） inner join Weather w2 #连接条件，w2是w1的前一天 on datediff (w1. RecordDate, w2. RecordDate) = 1 #筛选条件： … WebDateDIFF() 函数返回两个日期之间的天数 ... WHERE DATEDIFF (w2. RecordDate, w1. RecordDate) = 1; AND w1. Temperature < w2. Temperature (2) select activity_date as …

SQL LeetCode: 197. Rising Temperature - Medium

Web# Write your MySQL query statement below # Method 1: Using LAG() window function WITH odt AS ( SELECT *, LAG(temperature) OVER (ORDER BY recordDate) AS prev_temp, LAG(recordDate) OVER (ORDER BY recordDate) AS prev_recordDate FROM Weather ) SELECT id FROM odt WHERE temperature > prev_temp AND DATEDIFF(recordDate, … This does not do what you want: w2.RecordDate = w1.RecordDate + 1 Because you are using number arithmetics on date, this expression implicitly converts the dates to numbers, adds 1 to one of them, and then compares the results. Depending on the exact dates, it might work sometimes, but it is just a wrong approach.As an example, say your date is '2024-01-31', then adding 1 to it would produce ... chronological backtracking

Database Questions - Libao Jin

WebSep 16, 2024 · SELECT a.Id FROM Weather AS a, Weather AS b WHERE DATEDIFF(a.Date, b.Date)=1 AND a.Temperature > b.Temperature Rising Temperature LeetCode Solution in MS SQL Server SELECT w2.Id FROM Weather w1 INNER JOIN Weather w2 ON DATEDIFF(day, w1.recordDate, w2.recordDate)=1 AND … Web# Write your MySQL query statement below # Method 1: Using LAG() window function WITH odt AS ( SELECT *, LAG(temperature) OVER (ORDER BY recordDate) AS prev_temp, … chronological backwards