专注于互联网--专注于架构

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  drop table classname declare @TeacherID int declare @a char(50) declare @b char(50) declare @c char(50) declare @d char(50) declare @e char(50) set @TeacherID=1 select @a=DRClass1, @b=DRClass2, @c=DRClass3, @d=DRClass4, @e=DRClass5 from Teacher Where TeacherID = @TeacherID create table classname(c [阅读全文] [PDF]
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