3 cat integer REFERENCES word (id),
6 created timestamptz DEFAULT now(),
7 id serial NOT NULL PRIMARY KEY
10 COMMENT ON COLUMN word.form IS 'preferred textual representation';
11 COMMENT ON COLUMN word.cat IS 'hierarchical classification';
12 COMMENT ON COLUMN word.source IS 'URI of downloaded image';
13 COMMENT ON COLUMN word.thumb IS 'ImageMagick convert options to create thumbnail from source image';