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STGeometryType (geography Data Type)

Returns the Open Geospatial Consortium (OGC) type name represented by a geography instance.

Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Database.

.STGeometryType ( )

SQL Server return type: nvarchar(4000)

CLR return type: SqlString

The OGC type names that can be returned by STGeometryType() are Point, LineString, CircularString, CompoundCurve, Polygon, CurvePolygon, GeometryCollection, MultiPoint, MultiLineString, and MultiPolygon.

The following example creates a Polygon instance and uses STGeometryType() to confirm that it is a polygon.

DECLARE @g geometry;
SET @g = geometry::STGeomFromText('POLYGON((-122.358 47.653, -122.348 47.649, -122.348 47.658, -122.358 47.658, -122.358 47.653))', 4326);
SELECT @g.STGeometryType();
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