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文件名称：综合中间1intermediate 1 final SQL 1决赛.pdf
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更新时间：2025-08-02
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IntermediateSQL-1
Usingtheuniversityschemathatyouhavewritethefollowingqueries.Insomecasesyou
mightneedtoinsertextradatatoshowtheeffectofaparticularfeature.
Recommendation:Withclauseisstronglyrecommendedforsimplifyingthequery.
1.Findthesectionswhic