Database System Applications

• Banking : For customer information, accounts, and loans, and banking transactions.
• Airlines : For reservations and schedule information. Airlines were among the first to use databases in a geographically distributed manner—terminals situated around the world accessed the central database system through phone lines and other data networks.
• Universities : For student information, course registrations, and grades.
• Credit Card Transactions : For purchases on credit cards and generation of monthly statements.
• Telecommunication : For keeping records of calls made, generating monthly bills, maintaining balances on prepaid calling cards, and storing information about the communication networks.
• Finance : For storing information about holdings, sales, and purchases of financial instruments such as stocks and bonds.
• Sales : For customer, product, and purchase information.
• Manufacturing : For management of supply chain and for tracking production of items in factories, inventories of items in warehouses/stores, and orders for items.
• Human Resources : For information about employees, salaries, payroll taxes and benefits, and for generation of paychecks.