Blank record or else error:disk image is malformed

i have database file name tel-directory.sqlite and its text file in db folder so i went to config/database.yaml changed it to db/tel-directory.sqlite in development then create a model telephone_record skipping migration then i configured controller and its view but i get something like ---- like no records in database i used sqlite manager i get records tough when i go and check tel-directory file.sqlite with 0kb is created what is going wrong i am not getting it. so i decided to copy th contents from old datbase to new datbase file it display disk image is malformed can you suggest me what are changes i must do to display all the record in the browser.

  adapter: sqlite3
  database: db/teldirectory.sqlite3
  pool: 5
  timeout: 5000


class TelephoneRecords < ActiveRecord::Base
  # attr_accessible :title, :body

class TelephoneController < ApplicationController
  def index
  	@telephone_records = TelephoneRecords.all


<%= debug(@telephone_records)%>