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  • 21 Aug, 2019

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File:Relational Model 2.jpg

Description

Relational model

Data items organized as a set of formally described tables from which data can be accessed or reassembled in many ways without having to reorganize the database tables. Each table (sometimes called a relation) contains one or more data categories in columns. Each row contains a unique instance of data for the categories defined by the columns.
Date
Source Data Integration Glossary.
Author U.S. Department of Transportation,
Other versions Image:Relational Model.jpg

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Public domain
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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August 2001

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Date/TimeThumbnailDimensionsUserComment
current00:48, 25 November 2008Thumbnail for version as of 00:48, 25 November 2008543 × 540 (37 KB)Mdd{{Information |Description=Relational model<br> Data items organized as a set of formally described tables from which data can be accessed or reassembled in many ways without having to reorganize the database tables. Each table (sometimes called a relatio
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