An ST_Polygon is an ST_CurvePolygon that is formed with interior and exterior rings that are linear rings.
Methods of ST_Polygon:
All methods of ST_CurvePolygon type can also be called on a ST_Polygon type:
All methods of ST_Surface type can also be called on a ST_Polygon type:
All methods of ST_Geometry type can also be called on a ST_Polygon type:
SQL/MM (ISO/IEC 13249-3: 2006) 8.3
ST_Polygon constructor
ST_ExteriorRing method
ST_InteriorRingN method
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