1 DROP TABLE IF EXISTS gb_postcode;
 
   2 CREATE TABLE gb_postcode (
 
   4     postcode character varying(9),
 
   6     CONSTRAINT enforce_dims_geometry CHECK ((st_ndims(geometry) = 2)),
 
   7     CONSTRAINT enforce_srid_geometry CHECK ((st_srid(geometry) = 4326))
 
  10 DROP TABLE IF EXISTS us_postcode;
 
  11 CREATE TABLE us_postcode (