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                            ## 架構
MySQL服務端架構有以下幾層構成:
1. 數據庫管理系統(最外層) : DBMS,專門管理服務器端的所有內容.
2. 數據庫(第二層) DB : 專門用于存儲數據的倉庫(可以有很多個).
3. 二維數據表(第三層) : Table ,專門用于儲存具體實體的數據 .
4. 字段(第四層) Field , 具體儲存某種類型的數據(實際存儲單元) .
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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