左连接查询二

A表和B表是一对多，B表和C是一对多，A和D是一对多，要查询出C和A关联的记录数，和D对应A的记录数。

select * from (select t.fid,
                       t.fcourse_code,
                       t.fcourse_name,
                       t.funit,
                       t.flevel,
                       t.FCREATETIME,
                       sum(arr.tc) as tc,
                       sum(choose.tc2) as tc2
                  from course_info t left join (select count(1) as tc,
                                                       fid,
                                                       fcourse_id
                                                  from teach_arrangement
                                                 group by fid, fcourse_id) arr on arr.fcourse_id = t.fid left join (select count(1) as tc2,
                                                                                                                           FTEACH_ARRANGEMENT_ID
                                                                                                                      from TEACHPLAN_STUDENT_CHOOSE
                                                                                                                     group by FTEACH_ARRANGEMENT_ID) choose on choose.FTEACH_ARRANGEMENT_ID = arr.fid
                 group by t.fid,
                          t.fcourse_code,
                          t.fcourse_name,
                          t.funit,
                          t.flevel,
                          t.FCREATETIME) temp left join (select count(1) as tc3,
                                                                fcourse_id
                                                           from courseware
                                                          group by fcourse_id) ware on ware.fcourse_id = temp.fid

查询结果如下 ：