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			48 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
<p>Table: <code>Weather</code></p>
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<pre>
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+---------------+---------+
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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>Example 1:</strong></p>
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<pre>
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<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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