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Guzman_Goiz_Query

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Absolute running time: 0.34 sec, cpu time: 0.19 sec, memory peak: 7 Mb, absolute service time: 0,38 sec 
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select mercado,industria, count(*)/(select count(*) from balances) as proba from balances where mercado in (select distinct mercado from balances) and industria in select( distinct industria from balances) group by mercado,industria;

    
                		
                
                    

                          
                                
                                
                        
                         



                        
                        
                        

                        

                        
                        

                          
                                
                                
                                  

                                    
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