How is a pivot table created by Laravel?

Question

In Laravel 4, when working with many-to-many relationships as described in the 4.2 docs, how can I actually get Laravel to create the pivot table for me?

Do I need

Answer 1

1. Create new migration:

php artisan make:migration create_alpha_beta_table --create=alpha_beta

2. Inside the newly created migration:

public function up() {
    Schema::create('alpha_beta', function(Blueprint $table) {
            $table->increments('id');
            $table->unsignedBigInteger('alpha_id');
            $table->unsignedBigInteger('beta_id');
            // foreign keys
            $table->foreign('alpha_id')->references('id')->on('alphas');
            $table->foreign('beta_id')->references('id')->on('betas');
     });
}