如何显示包含field2最大值的不同Field1和Field2?
例如,从左表中获取正确的表:
| Field1 | Field2 | | Field1 | Field2 |
-------------------- -------------------
| A | 1 | | A | 3 |
| A | 2 | | B | 2 |
| A | 3 | | C | 4 |
| B | 1 | -------------------
| B | 2 |
| C | 1 |
| C | 2 |
| C | 3 |
| C | 4 |
--------------------
我还是学生,还是MySQL的新手:)
答案 0 :(得分:2)
select field1, max(field2) as maxf2
from table
group by field1