Run Code  | API  | Code Wall  | Misc  | Feedback  | Login  | Theme  | Privacy  | Patreon 

Primary key and unique key for single column and multi columns


            
                
            		
        

        
        

            
                 run
                 | edit
                 | history
                 | help
            
            
                 
                        
                            
                            
                            
                              
                        
                    
                    
                        0
                    
                    
                        
                            
                            
                            
                               
                        
                    
                
        

        
    


    
        
    

        
                        		
                        

                               
                                    
                                    
                        
                              
                                
                                
                                  

                                    
λ

                                    

                                      .NET NoSQL database for rapid development