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                            ### mongodb的應用場景
> 1. mongodb適合做大數據，畢竟是nosql，所以讀取速度快。
> 2. 比較復雜的數據類型查詢，比如類型為數組、json等，用mongodb進行檢索特別適合。

### mongodb的缺點
> 1. 事務支持很差
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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