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STNumGeometries (geometry Data Type)

Returns the number of geometries that comprise a geometry instance.

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

.STNumGeometries ( )

SQL Server return type: int

CLR return type: SqlInt32

This method returns 1 if the geometry instance is not a MultiPoint, MultiLineString, MultiPolygon, or GeometryCollection instance, and 0 if the geometry instance is empty.

Note Note

If a GeometryCollection has nested empty elements, STNumGeometries() will not return 0. Though the elements in the GeometryCollection instance are empty, the instance itself is not an empty set.

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