//
create table result(
stu_id varchar2(20) not null,
china number(9,2) null,
math number(9,2) null,
english number(9,2) null
);
//
insert into result values('0001',60,20,80);
insert into result values('0002',80,60,80);
insert into result values('0003',20,85,80);
select *from result;
//
select stu_id,(case
when china>80 then ' '
when china>=60 then ' '
when china<60 then ' '
end) as ,
(case
when math>80 then ' '
when math>=60 then ' '
when math<60 then ' '
end )as ,
(case
when english>80 then ' '
when english>=60 then ' '
when english<60 then ' '
end) as
from result