Typo in PG 7.2.1 Tutorial PDF

Section 3.3 - Foreign Keys

CREATE TABLE weather (
city varchar(80) references weather,
temp_lo int,
temp_hi int,
prcp real,
date date
);

Should read:

CREATE TABLE weather (
city varchar(80) references cities,
temp_lo int,
temp_hi int,
prcp real,
date date
);

Lennart Goedhart