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How useful are databases for businesses today?
Member rating: No Rating | Words: | Submitted: Thu Mar 24 2005
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How useful are Databases for Businesses to day? I am going to plan an investigation into how useful databases are for a company in the 21st century. Firstly I am going to explain what a database is. A database is a collection of data that can be used as information. It is understandable as information because of the headings and structure used in the database file. -A FILE is the information given in a subject e.g. Patients records. -A RECORD is a set of information about one given thing e.g. one patients record would contain just information about that person. -A FILE is one piece of information in a record; it also gives meaning to a list of, otherwise meaningless, information e.g. the field heading 'First name' gives meaning to a list of words such as 'Emma', 'Joe', 'Frank' and 'Tom'. -A QUERY is a search of the database for a certain piece of...
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