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42 lines
937 B
HTML
42 lines
937 B
HTML
<p>表： <code>Users</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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| user_id | int |
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| name | varchar |
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+----------------+---------+
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user_id 是该表的主键。
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该表包含用户的 ID 和名字。名字仅由小写和大写字符组成。
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</pre>
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<p> </p>
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<p>编写一个 SQL 查询来修复名字，使得只有第一个字符是大写的，其余都是小写的。</p>
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<p>返回按 <code>user_id</code> 排序的结果表。</p>
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<p>查询结果格式示例如下。</p>
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<p> </p>
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<p><strong>示例 1：</strong></p>
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<pre>
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<strong>输入：</strong>
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Users table:
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+---------+-------+
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| user_id | name |
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+---------+-------+
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| 1 | aLice |
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| 2 | bOB |
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+---------+-------+
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<strong>输出：</strong>
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+---------+-------+
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| user_id | name |
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+---------+-------+
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| 1 | Alice |
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| 2 | Bob |
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+---------+-------+</pre>
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