Building Database Applications in Elixir with Ecto/

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Exercise: Use Ecto's Upsert Feature

Exercise: Use Ecto's Upsert Feature

Practice how to execute upserts with Ecto in this challenge.

We'll cover the following...

Problem statement

In an earlier quiz, we defined a schema for a users table in our app.

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defmodule MusicDB.User do
  use Ecto.Schema
  schema "users" do
    field :username, :string
    field :first_name, :string
    field :last_name, :string
    field :email, :string
    field :password, :string
  end
end

We’d like to seed our database with a large CSV file with user data that was exported from another ...