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sqlsever 查询最后一条数据

程序员文章站 2023-08-26 10:39:37
select * from(select row_number() over(partition by IDCARD order by DATATM desc) as rownum,* from (SELECT * FROM TABLENAME)as H1 ) as H where H.rownum ......

select * from(select row_number()
over(partition by IDCARD order by DATATM desc) as rownum,*
from (SELECT
*
FROM
TABLENAME
)as H1
) as H where H.rownum =
1

解释:红色为以什么分组   蓝色为以什么排序  紫色为表名   目前是获取表中每个 IDCARD中时间最大的一条