drop table ABC;
create table ABC(id number,name varchar2(50),kcName varchar2(50),score number);
insert into ABC values(1,'张三','语文',88);
insert into ABC values(2,'张三','数学',68);
insert into ABC values(3,'张三','英语',78);
insert into ABC values(4,'李四','英语',78);
insert into ABC values(5,'李四','语文',88);
insert into ABC values(6,'李四','数学',79);
insert into ABC values(7,'王五','英语',74);
insert into ABC values(8,'王五','语文',58);
insert into ABC values(9,'王五','数学',98);
select * from abc;
select abc.Name,sum(decode(kcName,'语文',SCORE,null)) 语文,
sum(decode(kcName,'数学',SCORE,null)) 数学,
sum(decode(kcName,'英语',SCORE,null)) 英语
from abc group by abc.name;
结果:
NAME 语文 数学 英语
1 王五 158 198 174
2 李四 188 179 178
3 张三 188 168 178