摘要:
--create table Oders (OdersID int identity(1,1) primary key, UsersID int)--create table OderIterms( OdersID int,ProductID int)--create table Product(ProductID int identity(1,1) primary key , ProductName varchar(50) )--create table Users(UsersID int identity(1,1) primary key,gender bit,age int )--dec 阅读全文