$ cd ~/elixir/hello_phoenix

$ head -1 mix.exs
defmodule HelloPhoenix.Mixfile do

$ tree web/models
web/models
├── comment.ex
├── post.ex
└── user.ex

$ curl -o new_phoenix_dot_iex.exs -L http://git.io/vCNRt
$ elixir new_phoenix_dot_iex.exs

$ cat .iex.exs
import Ecto.Query, only: [from: 2]

alias HelloPhoenix.Repo

alias HelloPhoenix.Comment
alias HelloPhoenix.Post
alias HelloPhoenix.User

$ iex -S mix
iex(1)> Repo.all from u in User, select: u

[debug] SELECT u0."id", u0."name", u0."inserted_at", u0."updated_at" FROM "users" AS u0 [] OK query=68.9ms queue=2.2ms

[%HelloPhoenix.User{__meta__: #Ecto.Schema.Metadata<:loaded>, id: 1,
inserted_at: #Ecto.DateTime<2015-10-18T07:19:31Z>, name: "Brad",
updated_at: #Ecto.DateTime<2015-10-18T07:19:31Z>}]