rails에서는

테이블명에는 복수형을(끝에 s붙임)

모델은 단수형을 사용한다.

그래야...자동으로 테이블 일대일매핑이 가능하다.

ㅡ.ㅡ

# SQLite version 3.x
#   gem install sqlite3-ruby (not necessary on OS X Leopard)
development:
  adapter: mysql
  database: test
  username: root
  password: xxxxx
  encoding: utf8

# Warning: The database defined as 'test' will be erased and
# re-generated from your development database when you run 'rake'.
# Do not set this db to the same as development or production.
test:
  adapter: mysql
  database: test
  username: root
  password: xxxxx
  encoding: utf8

production:
  adapter: mysql
  database: test
  username: root
  password: xxxxx
  encoding: utf8