下面这段代码什么意思,主要是后面条件delete from ware where ware_wareid in (select ware_wareid from ware where ware_deleted is null group by ware_wareid having count(ware_wareid) > 1) and rowid not in (select min(

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下面这段代码什么意思,主要是后面条件delete from ware where ware_wareid  in (select   ware_wareid  from ware where  ware_deleted is null  group by   ware_wareid   having count(ware_wareid) > 1) and rowid not in (select min(

下面这段代码什么意思,主要是后面条件delete from ware where ware_wareid in (select ware_wareid from ware where ware_deleted is null group by ware_wareid having count(ware_wareid) > 1) and rowid not in (select min(
下面这段代码什么意思,主要是后面条件
delete from ware
where ware_wareid in (select ware_wareid from ware where ware_deleted is null group by ware_wareid having count(ware_wareid) > 1)
and rowid not in (select min(rowid) from ware where ware_deleted is null group by ware_wareid having count(ware_wareid )>1)

下面这段代码什么意思,主要是后面条件delete from ware where ware_wareid in (select ware_wareid from ware where ware_deleted is null group by ware_wareid having count(ware_wareid) > 1) and rowid not in (select min(
将表ware中,字段ware_deleted值为空的记录选出来,再选择ware_wareid有重复的记录,再从里面将rowid最小的剔除后,其余的记录全部删除.
delete from ware
where ware_wareid in -- 其余的记录全部删除
(select ware_wareid
from ware
where ware_deleted is null -- 字段ware_deleted值为空
group by ware_wareid
having count(ware_wareid) > 1) -- 选择ware_wareid有重复的记录
and rowid not in -- 将rowid最小的剔除后
(select min(rowid)
from ware
where ware_deleted is null -- 字段ware_deleted值为空
group by ware_wareid
having count(ware_wareid )>1) -- 选择ware_wareid有重复的记录

下面这段代码什么意思,主要是后面条件delete from ware where ware_wareid in (select ware_wareid from ware where ware_deleted is null group by ware_wareid having count(ware_wareid) > 1) and rowid not in (select min( 这段html代码什么意思 帮我解释下下面这段代码的意思 求一小段c代码的意思int power(int x,int n){if(n==0)return 1;elsereturn x*power(x,n-1);}就是这段代码,上面是定义一些菜单选项,下面是每个选项的一些,处理,这段代码是个什么意思,还有一段程序,后缀改成c 这段代码什么意思/////////////////////////////////////////////////////////////////////////这是index2.htmlthis is a index1 asp这段代码什么意思Response.Expires = 0 Response.Expiresabsolute = Now() - 1 Response.AddHeader pragma,no-cache Response.AddHeader cache-control,private Response.CacheControl = no-cache 没看明白主要是Now()-1 这段代码的意思是什么? js/base.js?v=201011301200后面问号这样写什么意思js/base.js?v=201011301200这段代码从后面问号起这样写什么意思, 有关substring的用法,请问下面这段代码的意思是?String[] aaa=new String[bbb]; for(int i=0;i 请问这段javascript代码什么意思啊1、function g(o){return document.getElementById(o);} 没有id为 ”o“的元素啊2、 ASP.NET 这一句 x:HoverLi(1);怎么理解呢?下面是代码————————————————— 谁知道上面这段十六进制代码如何转换到下面这段十六进制代码?…很短…这两段代码就是题目中所提到的.“上面这段十六进制代码”:3E28CB87B3DA7312“下面这段十六进制代码”:957055D7D17E1512 谁可以帮我解释一下这段代码什么意思?最好详细说明一下·~ User user=(User) UMI.getUserByOrgId(320400000000);这段代码具体表示什么意思? 谁能帮我解释哈下面这段代码的意思?StreamWriter newStream = File.CreateText(C:\newfile.txt); MATLAB 数字前加一个点是什么意思比如:.10 .50整个问题是这样的:我运行下面这段代码会出错,主要是第九行y(2,1)前多了一个小数点,这段代码是MATLAB6.X 的书上的一个例子,我用的MATLAB7.A=[.8 这段代码是啥意思啊onclick=window.open('tongyi.asp','_self') 这个什么情况!什么蓝屏重启的麻烦不要来说!STOP 后面那个代码在变,我就想问下 最下面那几个是神马意思!麻烦懂的 C++ 有n个整数,使前面各数顺序向后移m个位置,最后m个数变成前面m个数这段代码不懂什么意思整个代码是