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几周前,我问了一个question关于消除SQL INNER JOIN中的重复记录。我结束了使用的代码类似于下面的回答:在SQL GROUP BY的子表中搜索
SELECT ROW_NUMBER() OVER(ORDER BY " + orderField + @") AS RowNum,
mt.ID AS mt_ID,
mt.title AS mt_title,
[...]
MAX(st.title) AS st_title,
-- Other aggregates (MAX, MIN, AVERAGE, ...) for all other columns
-- from sttable, whatever is appropriate.
[...]
FROM mttable AS mt
INNER JOIN sttable AS st on mt.ID =st.ID
WHERE st.field <> 0 AND mt.title = @title
GROUP BY mt.ID,
mt.title
-- Group by everything else from mttable.
这在消除重复作品不够好,但我现在的问题是,我想在sttable(未分组表执行查询),GROUP BY消除了这些数据。例如,我希望能够运行查询WHERE st.title = '...'
有没有什么办法可以实现这个目标?谢谢。