MySQL 5.6 Reference Manual Including MySQL NDB Cluster 7.3-7.4 Reference Guide
A LineString is a Curve
with linear interpolation between points.
LineString
Examples
On a world map, LineString objects
could represent rivers.
In a city map, LineString objects could
represent streets.
LineString
Properties
A LineString has coordinates of
segments, defined by each consecutive pair of points.
A LineString is a
Line if it consists of exactly two
points.
A LineString is a
LinearRing if it is both closed and
simple.