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Geometry Properties

Geometry properties

Title Description
BOUNDARY Synonym for ST_BOUNDARY.
DIMENSION Synonym for ST_DIMENSION.
ENVELOPE Synonym for ST_ENVELOPE.
GeometryN Synonym for ST_GeometryN.
GeometryType Synonym for ST_GeometryType.
IsClosed Synonym for ST_IsClosed.
IsEmpty Synonym for ST_IsEmpty.
IsRing Synonym for ST_IsRing.
IsSimple Synonym for ST_IsSimple.
NumGeometries Synonym for ST_NumGeometries.
SRID Synonym for ST_SRID.
ST_BOUNDARY Returns a geometry that is the closure of a combinatorial boundary.
ST_DIMENSION Inherent dimension of a geometry value.
ST_ENVELOPE Returns the Minimum Bounding Rectangle for a geometry value.
ST_GEOMETRYN Returns the N-th geometry in a GeometryCollection.
ST_GEOMETRYTYPE Returns name of the geometry type of which a given geometry instance is a member.
ST_ISCLOSED Returns true if a given LINESTRING's start and end points are the same.
ST_ISEMPTY Indicated validity of geometry value.
ST_IsRing Returns true if a given LINESTRING is both ST_IsClosed and ST_IsSimple.
ST_IsSimple Returns true if the given Geometry has no anomalous geometric points.
ST_NUMGEOMETRIES Number of geometries in a GeometryCollection.
ST_RELATE Returns true if two geometries are related
ST_SRID Returns a Spatial Reference System ID.
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https://mariadb.com/kb/en/geometry-properties/