Can't see my tables in terminal SQLite3

Sorry for my english, i'm french and i begin with Ruby On Rails and SQLite3

On my terminal, i open SQLite3 console and type : .tables It returns nothing

This is a problem because i have my website running in background and i can login logout, load news etc...

I don't know where the tables and everything are stored

Some of my codes :

    default: &default
  adapter: sqlite3
  pool: 5
  timeout: 5000

development:
  <<: *default
  database: db/development.sqlite3

test:
  <<: *default
  database: db/test.sqlite3

production:
  <<: *default
  database: db/production.sqlite3

Previously i was working on Cloud9.io and i could display everything in the terminal

Thanks guys !