An ST_MultiLineString is a collection of zero or more ST_LineString values, and all of the linestrings are within the spatial reference system.
Methods of ST_MultiLineString:
All methods of ST_MultiCurve type can also be called on a ST_MultiLineString type:
All methods of ST_GeomCollection type can also be called on a ST_MultiLineString type:
All methods of ST_Geometry type can also be called on a ST_MultiLineString type:
SQL/MM (ISO/IEC 13249-3: 2006) 9.4
ST_MultiLineString constructor
ST_MultiLineStringAggr method
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