Database Management System (DBMS) DBMS contains information about a particular enterprise Collection of interrelated data Set of programs to access the data An environment that is both convenient and efficient to use Database Applications: Banking:all transactions Airlines:reservations,schedules Universities:registration,grades Sales:customers,products,purchases Online retailers:order tracking,customized recommendations Manufacturing:production,inventory,orders,supply chain Human resources:employee records,salaries,tax deductions Databases touch all aspects of our lives Database System Concepts-5th Edition,May 23,2005 1.3 ©Silberschat乜，Korth and SudarshanDatabase System Concepts - 5 1.3 ©Silberschatz, Korth and Sudarshan th Edition, May 23, 2005 Database Management System (DBMS) DBMS contains information about a particular enterprise Collection of interrelated data Set of programs to access the data An environment that is both convenient and efficient to use Database Applications: Banking: all transactions Airlines: reservations, schedules Universities: registration, grades Sales: customers, products, purchases Online retailers: order tracking, customized recommendations Manufacturing: production, inventory, orders, supply chain Human resources: employee records, salaries, tax deductions Databases touch all aspects of our lives