createdb -U postgres -w library
psql -f library-data.sql library postgres
psql library postgres
library=# SELECT * FROM books;
  id  |                  title                   |       author
------+------------------------------------------+---------------------
 1259 | Eloquent Ruby                            | Russell A. Olson
 1593 | JavaScript: The Good Parts               | Douglas Crockford
 8982 | Designing Object-Oriented Software       | Rebecca Wirfs-Brock
 7265 | Practical Object-Oriented Design in Ruby | Sandi Metz
(4 rows)