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joining two relations --Cartesian-product Relations r,s: CD E C 10 a B 2 B 10 a B 20 b Y 10 b s rX S: B CDE 1 a a 1 1 8 coco co coco o 2 222 aββy 00000000 abba a b Database System Concepts-6th Edition 2.14 @Silberschatz,Korth and SudarshanDatabase System Concepts - 6 2.14 ©Silberschatz, Korth and Sudarshan th Edition joining two relations -- Cartesian-product Relations r, s: r x s:
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