Topic: Heroku deployment error : Invalid DATABASE_URL

Hi All,  I am a new member. I am sorry if this is not the correct way of posting a question. Please correct me.  Environment Details -  Ubuntu 10.10 Rails version - 3.0.5 Ruby - 1.8.7 Rake - 0.8.7 Database - Sqlite  Problem -  My app is working fine in local machine. I deployed it successfully in Heroku. But when I execute --