CS6: Databases

Think of an address book you might buy in a bookshop. In it, you will write all your important contacts; friends, family, relatives, companies, and other people in your circles. The address book contains all names, addresses, location, phone numbers of whoever you need to contact at any time. The world generates an enormous amount of data from almost every aspect of life; school records, credit cards, store merchandise, telephone systems and web sites, among others. Some time ago, manual effort was used to track and report this information.