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                            [基本元素](%E5%9F%BA%E6%9C%AC%E5%85%83%E7%B4%A0.md)
[運算符](%E8%BF%90%E7%AE%97%E7%AC%A6.md)
[函數](%E5%87%BD%E6%95%B0.md)
[查詢和子查詢](%E6%9F%A5%E8%AF%A2%E5%92%8C%E5%AD%90%E6%9F%A5%E8%AF%A2.md)
[SQL語句](SQL%E8%AF%AD%E5%8F%A5.md)

                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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