Spatial database: Difference between revisions

Revision as of 02:51, 13 December 2023

Revision as of 20:32, 17 May 2024

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Almost all current relational and object-relational database management systems now have spatial extensions, and some GIS software vendors have developed their own spatial extensions to database management systems.

The [[Open Geospatial Consortium]] (OGC) developed the ''[[Simple Features]]'' specification (first released in 1997)<ref>{{cite web | url = http://www.opengeospatial.org/ogc/historylong | title = OGC History (detailed) | last1 = McKee | first1 = Lance | year = 2016 | publisher = OGC | access-date = 2016-07-12 | quote = [...] 1997 [...] OGC released the OpenGIS Simple Features Specification, which specifies the interface that enables diverse systems to communicate in terms of 'simple features' which are based on 2D geometry. The supported geometry types include points, lines, linestrings, curves, and polygons. Each geometric object is associated with a Spatial Reference System, which describes the coordinate space in which the geometric object is defined.}}</ref> and sets standards for adding spatial functionality to database systems.<ref>

The [[Open Geospatial Consortium]] (OGC) developed the ''[[Simple Features]]'' specification (first released in 1997)<ref>

[http://www.opengeospatial.org OGC Homepage]</ref> The ''SQL/MM Spatial'' ISO/IEC standard is a part of the structured query language and multimedia standard extending the Simple Features.<ref name="Kresse2012">{{cite book|title=Springer handbook of geographic information|url=https://archive.org/details/springerhandbook00kres|url-access=limited|date=2010|publisher=Springer|isbn=9783540726807|editor-last=Kresse|editor-first=Wolfgang|edition=1.|___location=Berlin|pages=[https://archive.org/details/springerhandbook00kres/page/n109 82]–83|editor-last2=Danko|editor-first2=David M.}}

{{cite web

| url = http://www.opengeospatial.org/ogc/historylong

| title = OGC History (detailed)

| last1 = McKee

| first1 = Lance

| year = 2016

| publisher = OGC

| access-date = 2016-07-12

| quote = [...] 1997 [...] OGC released the OpenGIS Simple Features Specification, which specifies the interface that enables diverse systems to communicate in terms of 'simple features' which are based on 2D geometry. The supported geometry types include points, lines, linestrings, curves, and polygons. Each geometric object is associated with a Spatial Reference System, which describes the coordinate space in which the geometric object is defined.

}}

</ref> and sets standards for adding spatial functionality to database systems.<ref>

[http://www.opengeospatial.org OGC Homepage]

</ref> The ''SQL/MM Spatial'' ISO/IEC standard is a part of the structured query language and multimedia standard extending the Simple Features.<ref name="Kresse2012">

{{cite book|title=Springer handbook of geographic information|url=https://archive.org/details/springerhandbook00kres|url-access=limited|date=2010|publisher=Springer|isbn=9783540726807|editor-last=Kresse|editor-first=Wolfgang|edition=1.|___location=Berlin|pages=[https://archive.org/details/springerhandbook00kres/page/n109 82]–83|editor-last2=Danko|editor-first2=David M.}}

</ref>

==Characteristics==