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StudentID int primary key, --ѧºÅ
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Create Table BorrowRecord( --ѧÉú½èÊé¼Ç¼±í
BorrowRecord int identity(1,1), --Á÷Ë®ºÅ
StudentID int , --ѧºÅ
BorrowDate datetime, --½è³öʱ¼ä
ReturnDAte Datetime, --¹é»¹Ê±¼ä
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