摘要：
GOcreate table Department(Dep_Id CHAR(3) constraint PK_Dep_Id primary key not null,Depname VarChar(40) not null,Telephone char(16) null,Fax char(16) n 阅读全文
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摘要：
GOcreate table Department(Dep_Id CHAR(3) constraint PK_Dep_Id primary key not null,Depname VarChar(40) not null,Telephone char(16) null,Fax char(16) n 阅读全文
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