我有一个查询结果列
+------+------+------------+--------------------+
| id | name | work_date | daily_typing_pages |
+------+------+------------+--------------------+
| 1 | John | 2007-01-24 | 250 |
| 2 | Ram | 2007-05-27 | 220 |
| 3 | Jack | 2007-05-06 | 170 |
| 3 | Jack | 2007-04-06 | 100 |
| 4 | Jill | 2007-04-06 | 220 |
| 5 | Zara | 2007-06-06 | 300 |
| 5 | Zara | 2007-02-06 | 350 |
+------+------+------------+--------------------+
我希望在另一列中得到此结果的最大值，我的输出如下
+------+------+------------+--------------------+-----------+
| id | name | work_date | daily_typing_pages | Max daily|
+------+------+------------+--------------------+-----------+
| 1 | John | 2007-01-24 | 250 | 350 |
| 2 | Ram | 2007-05-27 | 220 | 350 |
| 3 | Jack | 2007-05-06 | 170 | 350 |
| 3 | Jack | 2007-04-06 | 100 | 350 |
| 4 | Jill | 2007-04-06 | 220 | 350 |
| 5 | Zara | 2007-06-06 | 300 | 350 |
| 5 | Zara | 2007-02-06 | 350 | 350 |
+------+------+------------+--------------------+-----------+
最佳答案
set @maxValue = (select max(daily_typing_pages) from your_table);
select *, @maxValue from your_table
使用此功能，您不必使用连接条件。
关于mysql - 获取mysql中查询结果的最高值，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/44254226/