SUM(monthly_cases) over (Order by record_month rows between unbounded preceding and 1 preceding), monthly_cases*100.0/SUM(monthly_cases) over (Order by record_month ...

JOINs are long-standing SQL headaches. As the number of tables to be joined increases, coding becomes error prone. The complicated statements for achieving JOINs make ...

Abstract: Large data analysis is an important topic in cloud computing. Large-scale data analysis requires complex data analysis, such as Theta-Join, which includes equi-join and nonequi-join. On the ...

Abstract: Equi-join operations are fundamental in database management. Hash join algorithms are often used to reduce the computational complexity of join operations; however, their performance is ...