数据库原理与应用第三版何玉洁第十二章部分上机练习答案（不含游标）

1-1 create function F1_1(@SSno char(10)) returns int AS begin declare @SumCredit int select @SumCredit = sum(Credit) from SC join Course on SC.Cno=Course.Cno where [email protected] and Grade>=60 retu

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