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Deven
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46 lines
1.6 KiB
Markdown
<h2><a href="https://leetcode.com/problems/rising-temperature/">197. Rising Temperature</a></h2><h3>Easy</h3><hr><div class="sql-schema-wrapper__3VBi"><a class="sql-schema-link__3cEg">SQL Schema<svg viewBox="0 0 24 24" width="1em" height="1em" class="icon__1Md2"><path fill-rule="evenodd" d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"></path></svg></a></div><div><p>Table: <code>Weather</code></p>
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<pre>+---------------+---------+
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| Column Name | Type |
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+---------------+---------+
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| id | int |
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| recordDate | date |
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| temperature | int |
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+---------------+---------+
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id is the primary key for this table.
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This table contains information about the temperature on a certain day.
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</pre>
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<p> </p>
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<p>Write an SQL query to find all dates' <code>Id</code> with higher temperatures compared to its previous dates (yesterday).</p>
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<p>Return the result table in <strong>any order</strong>.</p>
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<p>The query result format is in the following example.</p>
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<p> </p>
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<p><strong class="example">Example 1:</strong></p>
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<pre><strong>Input:</strong>
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Weather table:
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+----+------------+-------------+
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| id | recordDate | temperature |
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+----+------------+-------------+
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| 1 | 2015-01-01 | 10 |
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| 2 | 2015-01-02 | 25 |
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| 3 | 2015-01-03 | 20 |
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| 4 | 2015-01-04 | 30 |
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+----+------------+-------------+
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<strong>Output:</strong>
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+----+
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| id |
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+----+
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| 2 |
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| 4 |
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+----+
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<strong>Explanation:</strong>
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In 2015-01-02, the temperature was higher than the previous day (10 -> 25).
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In 2015-01-04, the temperature was higher than the previous day (20 -> 30).
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</pre>
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</div> |