What Is a Database?
In the simplest sense, a database is a collection of records and files that are organized for a particular purpose. On your computer system, you might keep the names and addresses of all your friends or customers. Perhaps you collect all the letters you write and organize them by recipient. You might have another set of files in which you keep all your financial data—accounts payable and accounts receivable, or your checkbook entries and balances. The word processor documents that you organize by topic are, in the broadest sense, one type of database. The spreadsheet files that you organize according to their uses are another type of database. Shortcuts to all your programs on your Windows Start menu are a kind of database. ...
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