select ID, Name, CourseName, Score from Student inner join Choose ON 条件
默认就是自然连接 select ID, Name, CourseName, Score from Student s , Choose c where s.ID=C.studentID或 select ID, Name, CourseName, Score from Student s inner join Choose c on s.ID=C.studentID
from Student inner join Choose ON 条件
select ID, Name, CourseName, Score
from Student s , Choose c
where s.ID=C.studentID或
select ID, Name, CourseName, Score
from Student s inner join Choose c on s.ID=C.studentID