我想水平旋转我的桌子 -
表格如下:
Master_Choicecode
ChoiceCode MainCourseId CourseLevelId InstituteId
Master_MainCourse
MainCourseId MainCourseName CourseLevelId CourseProgram
11 x 1 abc
12 y 2 xyz
Master_CourseLevel
CourseLevelId CourseLevelName
1 deg
2 Dip
硕士_研究所
Instituteid InstituteName Statusid
1001 Insti1 100
1002 Insti2 200
Master_InstituteStatus
StatusId StatusName
100 Status1
200 Status2
现在使用所有这些表我想展示这个:
CourseProgram CourseLevelName Status1(from Master_InstituteStatus) Status2(from Master_InstituteStatus)
abc Deg Count of institutes belonging to status1 Count of institutes belonging to status2
现在这是我尝试过的:
SELECT B.CourseProgram,C.CourseLevelName,
case when E.InstituteStatusName =' Status1' then COUNT(*) else null end as Status1,
case when E.InstituteStatusName =' Status2' then COUNT(*) else null end as Status2,
FROM Master_ChoiceCode A
inner join Master_MainCourse B on A.MainCourseID=B.MainCourseID
inner join Master_CourseLevel C on A.CourseLevelID=C.CourseLevelID
inner join Master_Institute D on A.InstituteID=D.InstituteID
inner join Master_InstituteStatus1 E on D.InstituteStatusID1=E.InstituteStatusID
where B.CourseLevelID IN(1,2)
GROUP BY B.CourseProgram,A.CourseLevelID,C.CourseLevelName,E.InstituteStatusName
order by B.CourseProgram,C.CourseLevelName;
但是有了这个我得到这样的输出:
CourseProgram CourseLevelName Status1(from Master_InstituteStatus) Status2(from Master_InstituteStatus)
abc Deg Count of institutes belonging to status1
abc Deg Null Count of institutes belonging to status1
我得到的解决方案是使用枢轴...但我不知道如何在当前查询中使用枢轴。请帮助我..