Title : 
Optimization Strategies for Relational Queries
         
        
            Author : 
Ciaccia, Paolo ; Scalas, Maria Rita
         
        
            Author_Institution : 
Dipartimento di Elettronica, informatica e Sistemistica, University di Bologna, Viale Risorgimento 2.40136 Bologna. Italy.
         
        
        
        
        
        
        
            Keywords : 
Disjunctive expressions; join algorithms; query models; query optimisation; relational databases; Algebra; Costs; Environmental economics; Hip; Indexes; Query processing; Relational databases; Standardization; US Department of Transportation;
         
        
        
            Journal_Title : 
Software Engineering, IEEE Transactions on
         
        
        
        
        
            DOI : 
10.1109/TSE.1989.559773