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MySQL has datatypes that correspond to OpenGIS classes. Some of these types hold single geometry values:
GEOMETRY
POINT
LINESTRING
POLYGON
GEOMETRY
can store geometry values of any type.
The other single-value types,
POINT
and LINESTRING
and POLYGON
,
restrict their values to a particular geometry type.
The other datatypes hold collections of values:
MULTIPOINT
MULTILINESTRING
MULTIPOLYGON
GEOMETRYCOLLECTION
GEOMETRYCOLLECTION
can store a collection of objects
of any type. The other collection types,
MULTIPOINT
and MULTILINESTRING
and MULTIPOLYGON
and GEOMETRYCOLLECTION
,
restrict collection members to those having a particular geometry type.