日期:2014-05-17 浏览次数:20728 次
create table tab8
(
pople varchar(50),
type varchar(50),
num varchar(50)
)
insert into tab8
select 'A','X','1' union all
select 'A','X', '0.5' union all
select 'A','Y', '1' union all
select 'A','Y', '1' union all
select 'A','Y', '1' union all
select 'A','Z', '0.5' union all
select 'A','Z', '0.5' union all
select 'A','Z', '1' union all
select 'B','X', '1' union all
select 'B','X', '1' union all
select 'B','Y', '0.5' union all
select 'B','Y', '0.5' union all
select 'B','Y', '1' union all
select