![]() ![]() In fact, you could build a similar table in Excel. If you are familiar with other programs in the Microsoft Office suite, this might remind you of Excel, which allows you to organize data in a similar way. It contains two lists: a list of your friends, and a list of cookies. This is one of the simplest databases imaginable. For instance, if you like to bake you might decide to keep a database containing the types of cookies you know how to make and the friends you give these cookies to. ![]() This is true of all databases, from the simplest to the most complex. Then there's a list of past appointments, a list with medical history for each patient, a list of contact information, and so on. What lists are contained in a database like this? To start with, there's a list of patients' names. ![]() Think about one of the databases we mentioned above: the database of patient information at a doctor's office. The easiest way to understand a database is to think of it as a collection of lists. Ever waited while a doctor's receptionist entered your personal information into a computer, or watched a store employee use a computer to see whether an item was in stock? If so, then you’ve seen a database in action. They're such a useful tool that you see them all the time. Databases allow their users to enter, access, and analyze their data quickly and easily. A database is a collection of data that is stored in a computer system. ![]()
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