Example of Data Access buffer Buffer Block A input(A) A Buffer Block B B output(B) read(X) write(Y) 2☐ work area work area of T1 of T2 memory disk Database System Concepts-6th Edition 16.9 ©Silberschat乜，Korth and SudarshanDatabase System Concepts - 6 16.9 ©Silberschatz, Korth and Sudarshan th Edition Example of Data Access X Y A B x1 y1 buffer Buffer Block A Buffer Block B input(A) output(B) read(X) write(Y) disk work area of T1 work area of T2 memory x2