ststartpoint-geometry-data-type.md

title	STStartPoint (geometry Data Type)
description	STStartPoint (geometry Data Type)
author	MladjoA
ms.author	mlandzic
ms.date	08/03/2017
ms.service	sql
ms.subservice	t-sql
ms.topic	reference
ms.custom	ignite-2025
f1_keywords	STStartPoint_TSQL STStartPoint (geometry Data Type)
helpviewer_keywords	STStartPoint (geometry Data Type)
dev_langs	TSQL
monikerRange	=azuresqldb-current || >=sql-server-2016 || >=sql-server-linux-2017 || =azuresqldb-mi-current || =fabric-sqldb

STStartPoint (geometry Data Type)

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

Returns the start point of a geometry instance.

Syntax

  
.STStartPoint ( )  

Return Types

[!INCLUDEssNoVersion] return type: geometry

CLR return type: SqlGeometry

Open Geospatial Consortium (OGC) type: Point

Remarks

STStartPoint() is the equivalent of STPointN (1).

Examples

The following example creates a LineString instance and uses STStartPoint() to retrieve the start point of the instance.

DECLARE @g geometry;  
SET @g = geometry::STGeomFromText('LINESTRING(0 0, 2 2, 1 0)', 0);  
SELECT @g.STStartPoint().ToString();  

See Also

STPointN (geometry Data Type)
OGC Methods on Geometry Instances