Study and design a database with suitable example using following database systems ... Make use of Boolean and arithmetic operators wherever necessary. Execute the aggregate functions like count, sum, ...

We provide an example for illustration and verification and compare several aggregation operators to indicate the optimality of the assembly method. In addition, we present two comparisons to ...

Abstract: In order to better manage complexity involved in multi-attribute decision making problem-solving, we establish some new aggregation ... operators. The detailed decision process of the ...