Cartesian-product-naming issue Relations r,s: BDE 10 a B 2 B 10 a B 20 b Y 10 b s rX S: A r.B s.B D E 1 a 1 1 ββY abba co coco o 2 222 aββy 00000000 a b Database System Concepts-6th Edition 2.15 @Silberschatz,Korth and SudarshanDatabase System Concepts - 6 2.15 ©Silberschatz, Korth and Sudarshan th Edition Cartesian-product – naming issue Relations r, s: r x s: s.B B r.B