Working with Vector Data –Advanced Recipes - PostGIS - page 225

Step zero - preparing the test table
First,let'sprepareatesttable.Ifyoudon'thaveatesttableinplace,fromtheprevi-
ous section, let us create it using the following command:
DROP TABLE IF EXISTS chp04.voronoi_test_points;
CREATE TABLE chp04.voronoi_test_points
(
x numeric,
y numeric
)
WITH (OIDS=FALSE);
ALTER TABLE chp04.voronoi_test_points ADD
COLUMN gid serial;