sys-spatial-reference-systems-transact-sql.md

title	sys.spatial_reference_systems (Transact-SQL) | Microsoft Docs
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ms.date	2016-06-10
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f1_keywords	spatial_reference_systems_TSQL sys.spatial_reference_systems_TSQL sys.spatial_reference_systems spatial_reference_systems
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sys.spatial_reference_systems (Transact-SQL)

[!INCLUDEtsql-appliesto-ss2008-asdb-xxxx-xxx_md]

Lists the spatial reference systems (SRIDs) supported by [!INCLUDEssNoVersion].

Column name	Data type	Description
spatial_reference_id	int	The SRID supported by [!INCLUDEssNoVersion].
authority_name	nvarchar(128)	The authority of the SRID.
authorized_spatial_reference_id	int	The SRID given by the authority named in authority_name.
well_known_text	nvarchar(4000)	The WKT representation of the SRID.
unit_of_measure	nvarchar(128)	The name of the unit of measure.
unit_conversion_factor	float	The length of the unit of measure in meters.

Permissions

[!INCLUDEssCatViewPerm]