select sum(weight) from dbv_win_2 where recorddate= '2007-01-17 '
怎么样把 sum(weigth) 总的质量取出来啊
------解决方案--------------------------------------------------------
select sum(weight) as XXX 不是已经取出来了吗
详细解决方案
sql取值解决思路
热度：9569 发布时间：2013-02-26 00:00:00.0
select sum(weight) from dbv_win_2 where recorddate= '2007-01-17 '
怎么样把 sum(weigth) 总的质量取出来啊
------解决方案--------------------------------------------------------
select sum(weight) as XXX 不是已经取出来了吗
相关解决方案