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                            在MySQL中，索引屬于存儲引擎級別的概念，不同存儲引擎對索引的實現方式是不同的，本文主要討論MyISAM和InnoDB兩個存儲引擎的索引實現方式。
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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