數據庫原理與應用第三版何玉潔第六章上機練習

1 select * from Student 2 select Sname,Sage from Student 3 select Sno,Cno,Grade from SC Where Grade between 70 and 80 4 select Sname, Sage from Student where Sage between 18 and 20 5 select Top 1 Grad

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