mysql根据结果集筛选每个年度最大月份的数据
时间: 2023-08-11 07:09:51 浏览: 302
可以使用子查询和GROUP BY语句来实现这个需求,具体步骤如下:
1. 使用子查询获取每个年份的最大月份。
```
SELECT YEAR(date_column) AS year, MAX(MONTH(date_column)) AS month
FROM table_name
GROUP BY YEAR(date_column)
```
2. 将上一步中获取到的最大月份和年份作为条件,再次查询原始表格获取对应数据。
```
SELECT *
FROM table_name
WHERE YEAR(date_column) = (SELECT YEAR(date_column) AS year, MAX(MONTH(date_column)) AS month
FROM table_name
GROUP BY YEAR(date_column))
AND MONTH(date_column) = (SELECT MAX(MONTH(date_column))
FROM table_name
WHERE YEAR(date_column) = (SELECT YEAR(date_column) AS year, MAX(MONTH(date_column)) AS month
FROM table_name
GROUP BY YEAR(date_column)))
```
其中,table_name是原始表格的名称,date_column是存储日期的列名。