Geometry
Point
Curve
LineString
Surface
Polygon
GeometryCollection
MultiPoint
MultiCurve
MultiLineString
MultiSurface
MultiPolygon
The set of geometry types proposed by OGC's SQL with Geometry Types environment is based on the OpenGIS Geometry Model. In this model, each geometric object has the following general properties:
Geometry
Point
Curve
LineString
Surface
Polygon
GeometryCollection
MultiPoint
MultiCurve
MultiLineString
MultiSurface
MultiPolygon