ogc-methods-on-geography-instances.md

title	OGC Methods on Geography Instances
description	OGC Methods on Geography Instances
author	MladjoA
ms.author	mlandzic
ms.date	06/27/2019
ms.service	sql
ms.subservice	t-sql
ms.topic	reference
ms.custom	ignite-2025
dev_langs	TSQL
monikerRange	=azuresqldb-current || >=sql-server-2016 || >=sql-server-linux-2017 || =azuresqldb-mi-current || =fabric-sqldb

OGC Methods on Geography Instances

[!INCLUDE SQL Server Azure SQL Database Azure SQL Managed Instance FabricSQLDB]

[!INCLUDEssNoVersion] supports the Open Geospatial Consortium (OGC) methods on geography instances.

For more information on OGC specifications, see the following resources:

OGC Specifications, Simple Feature Access Part 1 - Common Architecture

OGC Specifications, Simple Feature Access Part 2 - SQL Options

In This Section

• STArea

• STAsBinary

• STAsText

• STBuffer

• STCurveN (geography Data Type)

• STCurveToLine (geography Data Type)

• STDifference

• STDimension

• STDisjoint

• STDistance

• STEndpoint

• STEquals

• STGeometryN

• STGeometryType

• STIntersection

• STIntersects

• STIsClosed

• STIsEmpty

• STIsValid

• STLength

• STNumCurves (geography Data Type)

• STNumGeometries

• STNumPoints

• STPointN

• STSrid

• STStartPoint

• STSymDifference

• STUnion

See Also

Extended Methods on Geography Instances
OGC Static Geography Methods
Extended Static Geography Methods