create table student_test (id integer not null ,
name varchar2(100),
age integer,
course varchar(100),
score integer
);
insert into student values('1','张三',14,'语文','80');
insert into student values('2','张三',14,'数学','80');
insert into student values('3','里斯',14,'语文','80');
insert into student values('4','里斯',14,'数学','80');
insert into student values('5','王我',14,'语文','80');
insert into student values('6','王我',14,'数学','80');
insert into student values('7','王六',14,'语文','80');
select * from ( select a.name as 姓名 ,decode(a.course,'语文',a.score) as 语文 ,decode(b.course,'数学',b.score) as 数学 from student a ,student b where a.name=b.name and a.id<>b.id )
name varchar2(100),
age integer,
course varchar(100),
score integer
);
insert into student values('1','张三',14,'语文','80');
insert into student values('2','张三',14,'数学','80');
insert into student values('3','里斯',14,'语文','80');
insert into student values('4','里斯',14,'数学','80');
insert into student values('5','王我',14,'语文','80');
insert into student values('6','王我',14,'数学','80');
insert into student values('7','王六',14,'语文','80');
最终要转化为下面的表格
select * from ( select a.name as 姓名 ,decode(a.course,'语文',a.score) as 语文 ,decode(b.course,'数学',b.score) as 数学 from student a ,student b where a.name=b.name and a.id<>b.id )
t where t.语文 is not null