Keywords: Relational Model.svg 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 relation contains one or more data categories in columns Each row contains a unique instance of data for the categories defined by the columns http //knowledge fhwa dot gov/tam/aashto nsf/All+Documents/4825476B2B5C687285256B1F00544258/ FILE/DIGloss pdf Data Integration Glossary 2001-08 U S Department of Transportation vectorization own PD-USGov Relational models |