insert into tbname2(level,rolename) select max(level) as maxlevel, rolename from roles group by accountname
insert into A select * from roles where level between 20 and 30; insert into B select * from roles where level between 31 and 40; ...
结合两位的解答是不是这样就好了insert into tbname2(level,rolename) select max(level) as maxlevel, rolename from roles group by accountnameinsert into A select * from bname2 where level between 20 and 30; insert into B select * from bname2 where level between 31 and 40;
select max(level) as maxlevel, rolename
from roles group by accountname
insert into A select * from roles where level between 20 and 30;
insert into B select * from roles where level between 31 and 40;
...
select max(level) as maxlevel, rolename
from roles group by accountnameinsert into A select * from bname2 where level between 20 and 30;
insert into B select * from bname2 where level between 31 and 40;
建议你列出你的表结构,并提供测试数据以及基于这些测试数据的所对应正确结果。
参考一下这个贴子的提问方式http://topic.csdn.net/u/20091130/20/8343ee6a-417c-4c2d-9415-fa46604a00cf.html
1. 你的 create table xxx .. 语句
2. 你的 insert into xxx ... 语句
3. 结果是什么样,(并给以简单的算法描述)
4. 你用的数据库名称和版本(经常有人在MS SQL server版问 MySQL)
这样想帮你的人可以直接搭建和你相同的环境,并在给出方案前进行测试,避免文字描述理解上的误差。