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https://gitee.com/coder-xiaomo/leetcode-problemset
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批量更新数据
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@@ -12,12 +12,12 @@
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"translatedContent": "<p>表 <code>Department</code>:</p>\n\n<pre>\n+---------------+---------+\n| Column Name | Type |\n+---------------+---------+\n| id | int |\n| revenue | int |\n| month | varchar |\n+---------------+---------+\n在 SQL 中,(id, month) 是表的联合主键。\n这个表格有关于每个部门每月收入的信息。\n月份(month)可以取下列值 [\"Jan\",\"Feb\",\"Mar\",\"Apr\",\"May\",\"Jun\",\"Jul\",\"Aug\",\"Sep\",\"Oct\",\"Nov\",\"Dec\"]。\n</pre>\n\n<p> </p>\n\n<p>重新格式化表格,使得 <strong>每个月 </strong>都有一个部门 id 列和一个收入列。</p>\n\n<p>以 <strong>任意顺序</strong> 返回结果表。</p>\n\n<p>结果格式如以下示例所示。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n<b>输入:</b>\nDepartment table:\n+------+---------+-------+\n| id | revenue | month |\n+------+---------+-------+\n| 1 | 8000 | Jan |\n| 2 | 9000 | Jan |\n| 3 | 10000 | Feb |\n| 1 | 7000 | Feb |\n| 1 | 6000 | Mar |\n+------+---------+-------+\n<b>输出:</b>\n+------+-------------+-------------+-------------+-----+-------------+\n| id | Jan_Revenue | Feb_Revenue | Mar_Revenue | ... | Dec_Revenue |\n+------+-------------+-------------+-------------+-----+-------------+\n| 1 | 8000 | 7000 | 6000 | ... | null |\n| 2 | 9000 | null | null | ... | null |\n| 3 | null | 10000 | null | ... | null |\n+------+-------------+-------------+-------------+-----+-------------+\n<b>解释:</b>四月到十二月的收入为空。 \n请注意,结果表共有 13 列(1 列用于部门 ID,其余 12 列用于各个月份)。</pre>\n",
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@@ -77,7 +77,7 @@
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"insert into Department (id, revenue, month) values ('1', '6000', 'Mar')"
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