Outline of databases: Difference between revisions

Revision as of 02:19, 18 May 2012

Revision as of 02:25, 18 May 2012

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Databases can be described as all of the following:

* [[Information]] – sequence of symbols that can be interpreted as a message. Information can be recorded as signs, or transmitted as signals.

* [[Information]] –

** [[Data]] – values of qualitative or quantitative variables, belonging to a set of items. Data in computing (or data processing) are often represented by a combination of items organized in rows and multiple variables organized in columns. Data are typically the results of measurements and can be visualised using graphs or images.

** [[Data]] –

*** [[Computer data]] – information in a form suitable for use with a computer. Data is often distinguished from programs. A program is a sequence of instructions that detail a task for the computer to perform. In this sense, data is everything in software that is not program code.

*** [[Computer data]] –

== Types of databases ==