Computer Database
A computer database is basically a compilation of information stored in a system in a manner that makes it easily retrievable. A database operates like an online filing system and stores data categorically to make retrieval simpler.
"Traditional databases are organized by fields, records, and files. A field is a single piece of information; a record is one complete set of fields; and a file is a collection of records. For example, a telephone book is analogous to a file. It contains a list of records, each of which consists of three fields: name, address, and telephone number. "
[Source: http://www.webopedia.com/TERM/D/database.html]
I found the above explanation easy to understand in terms of how a database works. I was able to derive a good visual in my head from this description of how a database is structured and how it categorizes and maintains information.
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