The addition of spatial capabilities was one of the most exciting new features introduced in SQL Server 2008. Although generally a novel concept for many SQL developers, the principles of working with spatial data have been well established for many years. Dedicated geographic information systems (GISs), such as ARC/INFO from ESRI, have existed since the 1970s. However, until recently, spatial data analysis has been regarded as a distinct, niche subject area, and knowledge and usage of spatial data has remained largely confined within its own realm rather than being integrated with mainstream development.
KeywordsSpatial Data Spatial Index Spatial Query Reference Ellipsoid Open Geospatial Consortium
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