MySQL 5.7 Reference Manual Including MySQL NDB Cluster 7.5 and NDB Cluster 7.6
          A Point is a geometry that represents a
          single location in coordinate space.
        
          Point
          Examples
        
              Imagine a large-scale map of the world with many cities. A
              Point object could represent each city.
            
              On a city map, a Point object could
              represent a bus stop.
            
          Point
          Properties
        
X-coordinate value.
Y-coordinate value.
              Point is defined as a zero-dimensional
              geometry.
            
              The boundary of a Point is the empty
              set.