Cartesian-Product Operation Notation rx s Defined as: rxs={tqlt∈r and q∈s} Assume that attributes of r(R)and s(S)are disjoint.(That is,RS=. If attributes of r(R)and s(S)are not disjoint,then renaming must be used. Database System Concepts-6th Edition 6.9 @Silberschatz,Korth and SudarshanDatabase System Concepts - 6 6.9 ©Silberschatz, Korth and Sudarshan th Edition Cartesian-Product Operation Notation r x s Defined as: r x s = {t q | t  r and q  s} Assume that attributes of r(R) and s(S) are disjoint. (That is, R  S = ). If attributes of r(R) and s(S) are not disjoint, then renaming must be used