task: #197

Author: Ivanbyone

README.md

@@ -39,6 +39,7 @@ Have a good contributing!
     - [182. Duplicate Emails](./leetcode/easy/182.%20Duplicate%20Emails.sql)
     - [183. Customers Who Never Order](./leetcode/easy/183.%20Customers%20Who%20Never%20Order.sql)
     - [196. Delete Duplicate Emails](./leetcode/easy/196.%20Delete%20Duplicate%20Emails.sql)
+    - [197. Rising Temperature](./leetcode/easy/197.%20Rising%20Temperature.sql)
     - [511. Game Play Analysis 1](./leetcode/easy/511.%20Game%20Play%20Analysis%201.sql)
     - [577. Employee Bonus](./leetcode/easy/577.%20Employee%20Bonus.sql)
     - [586. Customer Placing the Largest Number of Orders](./leetcode/easy/586.%20Customer%20Placing%20the%20Largest%20Number%20of%20Orders.sql)

leetcode/easy/197. Rising Temperature.sql

@@ -0,0 +1,29 @@
+/*
+Question 197. Rising Temperature
+Link: https://leetcode.com/problems/rising-temperature/description/?source=submission-noac
+
+Table: Weather
+
++---------------+---------+
+| Column Name   | Type    |
++---------------+---------+
+| id            | int     |
+| recordDate    | date    |
+| temperature   | int     |
++---------------+---------+
+id is the column with unique values for this table.
+There are no different rows with the same recordDate.
+This table contains information about the temperature on a certain day.
+ 
+
+Write a solution to find all dates' id with higher temperatures compared to its previous dates (yesterday).
+
+Return the result table in any order.
+*/
+
+SELECT w1.id
+FROM Weather AS w1
+LEFT JOIN
+    Weather AS w2
+    ON w1.recordDate = w2.recordDate + INTERVAL '1 day'
+WHERE w1.temperature > w2.temperature