标签：blog div sp log c sql php as bs
SELECT
min (maxrank) as minofmaxrank
FROM
(SELECT
max(rank) as maxrank
FROM
tbl_core_staff
WHERE
st_ymd<=now() AND
ed_ymd>now() AND
staff_cd in (‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘,‘‘)
GROUP BY
staff_cd
) t1
这里是先从tbl_core_staff 表查询分组的最大值的rank 然后查询这个最大值rank组的最小值
标签：blog div sp log c sql php as bs
原文地址：http://www.cnblogs.com/sunxun/p/3953335.html
