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title STAsText (geometry Data Type)
description STAsText (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
STAsText_TSQL
STAsText (geometry Data Type)
helpviewer_keywords
STAsText (geometry Data Type)
dev_langs
TSQL
monikerRange =azuresqldb-current || >=sql-server-2016 || >=sql-server-linux-2017 || =azuresqldb-mi-current || =fabric-sqldb

STAsText (geometry Data Type)

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

Returns the Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation of a geometry instance. This text will not contain any Z (elevation) or M (measure) values carried by the instance.

Syntax

  
.STAsText ( )  

Return Types

[!INCLUDEssNoVersion] return type: nvarchar(max)

CLR return type: SqlChars

Examples

The following example creates a LineString geometry instance from (0,0) to (2,3) from text. STAsText() returns the result in text.

DECLARE @g geometry;  
SET @g = geometry::STGeomFromText('LINESTRING(0 0, 2 3)', 0);  
SELECT @g.STAsText();  

See Also

OGC Methods on Geometry Instances