Question

我有一个包含日期字段和记录字段的表。 recordid字段有10001 10002 11152等记录。这些id按日期字段重复。我想用该记录的最大日期来获取每个记录。

Answer 1

SELECT recordid, MAX(Date) From yourTable
GROUP By recordid

Answer 2

SELECT recordid,MAX(date) FROM table GROUP BY recordid;

Answer 3

使用MAX并按recordid分组

SELECT  recordid
       ,MAX(date) 
FROM your_table
GROUP BY recordid

Answer 4

这就是你要追求的吗？

Select * 
from your_table
inner join (
    SELECT recordid, date=MAX(Date) From yourTable
    GROUP By recordid) as m
  on your_table.recordid=m.recordid

Answer 5

怎么样？

select * from your_table where date = (select max(date) from your_table yt)

选择sql表中的顶级记录

5 个答案: