STAsBinary (geometry Data Type)

Returns the Open Geospatial Consortium (OGC) Well-Known Binary (WKB) representation of a geometry instance. This value will not contain any Z or M values carried by the instance.

.STAsBinary ( )

SQL Server return type: varbinary(max)

CLR return type: SqlBytes

The following example uses STAsBinary() to create a LineString geometry instance from (0,0) to (2,3) from text. It then returns the result in WKB.

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

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