Intro to Database

Databases and selective informationbase technology ar having a major impact on the growing use of computers. It is fair to say that databases play a critical role in almost all argonas where computers are used, including business, engineering, medicine, law, education, and library science, to name a few. The word database is in such(prenominal) common use that we must begin by shaping a database. Our initial definition is quite general.
A database is a request of battle of related data (Note 1). By data, we mean cognise facts that can be recorded and that have implicit meaning. For example, examine the names, telephone numbers, and addresses of the people you know. You whitethorn have recorded this data in an indexed address book, or you may have stored it on a diskette, using a personal computer and software program such as DBASE IV or V, Microsoft ACCESS, or EXCEL. This is a collection of related data with an implicit meaning and because is a database.
The preceding definition of database is quite general; for example, we may consider the collection of words that make up this scallywag of text to be related data and hence to play a database. However, the common use of the term database is usually to a greater extent restricted.



A database has the following implicit properties:
A database represents round human face of the real world, sometimes called the miniworld or the Universe of Discourse (UoD). Changes to the miniworld are reflected in the database.
A database is a logically coherent collection of data with some inherent meaning. A random commixture of data cannot correctly be referred to as a database.
A database is designed, built, and populated with data for a specific purpose. It has an intended radical of users and some preconceived applications in which these users are interested.
In another(prenominal) words, a database has some source from which data are derived, some degree of interaction with events in the real world, and an audience that is actively interested in the contents of the database.
A database can be of any size...If you want to get a full essay, order it on our website: Ordercustompaper.com



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