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                            > Object Relational Mappging 對象關系映射
> 		簡單的說：
> 			就是把數據庫表和實體類及實體類的屬性對應起來
> 			讓我們可以操作實體類就實現操作數據庫表。
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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