获得同时教“物理”和“语文”的老师姓名

2014-10-25 21:42:00  访问(1826) 赞(0) 踩(0)

• SQL语句
• SQL执行结果

• 
  select t.TheName as '老师'
  from
  UTB_EXAM_TEACHER t,
  ( 
  	select 
  	t.ID 
  	from 
  	UTB_EXAM_TEACHER t,
  	(
  	select 
  	sc.TeacherId,sc.CourseId 
  	from UTB_EXAM_SCORE sc 
  	group by sc.TeacherId,sc.CourseId 
  	)r,
  	UTB_EXAM_COURSE c
  	where
  	c.ID = r.CourseId and t.ID = r.TeacherId
  	and
  	(c.TheName = '物理' or c.TheName = '语文')
  	group by 
  	t.ID
  	having count(1) = 2
  )r
  where
  t.ID = r.ID 
  
  

标签：获得同时教“物理”和“语文”的老师姓名 

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