????? 在班组信息中，没有存储班组所属的部门，这样我们在查某部门中某个班组在某月中的信息时，需要通过其他中间表进行关联，下面是一个查询质量信息时关联方式的语句。
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--1.select a.*, count(*) 人数 from (select distinct cth.header_id 班组id, cth.team_number 班组号, cth.team_name 班组名称 from qa_results qr, cux_team_headers cth, bom_departments bd where 1 = 1 and qr.organization_id = 103 and qr.plan_id = 100 and qr.character28 = cth.team_number and qr.character17 >= '2010/09/01' and qr.character17 <= '2010/09/30' and bd.department_id = qr.department_id and bd.department_code like 'LY%' and bd.organization_id = 103) a, cux_team_lines ctl where 1 = 1 and a.班组id = ctl.header_id group by a.班组id, a.班组号, a.班组名称having count(*) = 3union all--2.select a.*, count(*) 人数 from (select distinct cth.header_id 班组id, cth.team_number 班组号, cth.team_name 班组名称 from qa_results qr, cux_team_headers cth, bom_departments bd where 1 = 1 and qr.organization_id = 103 and qr.plan_id = 103 and qr.character23 = cth.team_number and qr.character20 >= '2010/09/01' and qr.character20 <= '2010/09/30' and bd.department_id = qr.department_id and bd.department_code like 'LY%' and bd.organization_id = 103) a, cux_team_lines ctl where 1 = 1 and a.班组id = ctl.header_id group by a.班组id, a.班组号, a.班组名称having count(*) = 3?
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