小编use*_*824的帖子

如何在访问中完成以下操作

SELECT MONTH([Date]) as monthNum, 
AVG(CASE WHEN loc ='1' THEN  [Count] END) AS locAVG, 
AVG(CASE WHEN dept ='50' THEN  [Count] END) AS deptAVG, 
FROM [table]
GROUP BY MONTH([Date])