Sample Database Hayes Main Harrison Tohnson Alma Palo Alto Smith North Rye A-102 400 A-101 500 A-201 900 A-201 900 A-215 700 (a) A-102 400 A-101 500 A-201 900 A-215 700 Hayes Main Harrison Johnson Alma Palo Alto Johnson Alma Palo Alto Smith North Rye Smith North Rye (b) Database System Concepts,5th Ed. B.12 @Silberschatz,Korth and SudarshanDatabase System Concepts, 5 B.12 ©Silberschatz, Korth and Sudarshan th Ed. Sample Database