我试图在一个查询上使用2个joins语句返回一个视图,但是以某种方式我不断收到此错误
和我的查询如下:
SELECT First_Name, Second_Name, Last_Name, Course_Name, Date_Course, College_Name AS OperationDetails
FROM Operations
INNER Join Users
ON Operations.User_id = Users.User_Id
INNER Join Courses
On Operations.course_Id = Courses.Course_Id;
这是我的整个数据库关系
JOIN
:SELECT First_Name, Second_Name, Last_Name, Course_Name, Date_Course, College_Name AS OperationDetails
FROM (Operations INNER JOIN
Users
ON Operations.User_id = Users.User_Id
) INNER JOIN
Courses
ON Operations.course_Id = Courses.Course_Id;