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47 lines
1.4 KiB
HTML
47 lines
1.4 KiB
HTML
<p>Table: <code>Products</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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| product_id | int |
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| low_fats | enum |
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| recyclable | enum |
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+-------------+---------+
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product_id is the primary key for this table.
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low_fats is an ENUM of type ('Y', 'N') where 'Y' means this product is low fat and 'N' means it is not.
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recyclable is an ENUM of types ('Y', 'N') where 'Y' means this product is recyclable and 'N' means it is not.</pre>
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<p> </p>
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<p>Write an SQL query to find the ids of products that are both low fat and recyclable.</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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Products table:
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+-------------+----------+------------+
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| product_id | low_fats | recyclable |
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+-------------+----------+------------+
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| 0 | Y | N |
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| 1 | Y | Y |
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| 2 | N | Y |
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| 3 | Y | Y |
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| 4 | N | N |
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+-------------+----------+------------+
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<strong>Output:</strong>
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+-------------+
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| product_id |
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+-------------+
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| 1 |
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| 3 |
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+-------------+
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<strong>Explanation:</strong> Only products 1 and 3 are both low fat and recyclable.
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</pre>
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