MySQL provides a standard way of creating spatial columns for
        geometry types, for example, with CREATE
        TABLE or ALTER TABLE.
        Currently, spatial columns are supported for
        MyISAM, InnoDB,
        NDB, and ARCHIVE
        tables. See also the annotations about spatial indexes under
        Section 11.13.6.1, “Creating Spatial Indexes”.
      
            Use the CREATE TABLE
            statement to create a table with a spatial column:
          
CREATE TABLE geom (g GEOMETRY);
            Use the ALTER TABLE statement
            to add or drop a spatial column to or from an existing
            table:
          
ALTER TABLE geom ADD pt POINT; ALTER TABLE geom DROP pt;


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