From c94504e9cebb19587cbb960b8e4f82d28744601f Mon Sep 17 00:00:00 2001 From: Deven <63876261+devenperez@users.noreply.github.com> Date: Fri, 20 Jan 2023 21:12:09 -0500 Subject: [PATCH] Create README - LeetHub --- 197-rising-temperature/README.md | 46 ++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 197-rising-temperature/README.md diff --git a/197-rising-temperature/README.md b/197-rising-temperature/README.md new file mode 100644 index 0000000..dfcfc12 --- /dev/null +++ b/197-rising-temperature/README.md @@ -0,0 +1,46 @@ +

197. Rising Temperature

Easy


SQL Schema

Table: Weather

+ +
+---------------+---------+
+| Column Name   | Type    |
++---------------+---------+
+| id            | int     |
+| recordDate    | date    |
+| temperature   | int     |
++---------------+---------+
+id is the primary key for this table.
+This table contains information about the temperature on a certain day.
+
+ +

 

+ +

Write an SQL query to find all dates' Id with higher temperatures compared to its previous dates (yesterday).

+ +

Return the result table in any order.

+ +

The query result format is in the following example.

+ +

 

+

Example 1:

+ +
Input: 
+Weather table:
++----+------------+-------------+
+| id | recordDate | temperature |
++----+------------+-------------+
+| 1  | 2015-01-01 | 10          |
+| 2  | 2015-01-02 | 25          |
+| 3  | 2015-01-03 | 20          |
+| 4  | 2015-01-04 | 30          |
++----+------------+-------------+
+Output: 
++----+
+| id |
++----+
+| 2  |
+| 4  |
++----+
+Explanation: 
+In 2015-01-02, the temperature was higher than the previous day (10 -> 25).
+In 2015-01-04, the temperature was higher than the previous day (20 -> 30).
+
+
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