In order to function and make right decisions, all these data has to be collected, organized and then analyzed to produce a picture of what's going on. Without properly organized data, we'll be at a lost as to what has happened, what's going on and what to do. Examples of database Whether we realize it or not, databases are everywhere. Your personal phone book is a database of your acquaintances' contact information. This database is also found in electronic form in almost all cell phones today.
Any dictionary is a database of words and their meanings.
The Yellow Pages is a database of businesses. When you use your local auto-teller machine, you are accessing your financial institution's customer database. When you pay for your groceries with your credit card, the cashier accesses into your account information at your credit company's database. As such we can see that databases are not a new creation. The earliest databases have always been paper based.