主要利用到了左连接取交集的原理。
select * from (SELECT TOP 20 A.*,B.ID AS IDS FROM SURVEYINFO A LEFT JOIN (SELECT TOP 10 ID FROM SURVEYINFO) B ON A.ID=B.ID ) t
WHERE IDS is null
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主要利用到了左连接取交集的原理。
select * from (SELECT TOP 20 A.*,B.ID AS IDS FROM SURVEYINFO A LEFT JOIN (SELECT TOP 10 ID FROM SURVEYINFO) B ON A.ID=B.ID ) t
WHERE IDS is null
相关文章：