例: ST_Area - Teradata Database - Teradata Vantage NewSQL Engine

   CREATE TABLE sample_shapes (skey INTEGER, shape ST_Geometry);

   INSERT sample_shapes 
     (1,'Polygon((30 30, 30 60, 60 60, 60 30, 30 30))');

   SELECT skey
   FROM sample_shapes
   WHERE (shape.ST_Area() < 100.5);