leann/database/migrations/2021_06_17_114842_create_beer_fermentation_table.php

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class CreateBeerFermentationTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('beer_fermentation', function (Blueprint $table) {
            $table->integer('id')->primary('beer_fermentation_pkey');
            $table->integer('beer_id');
            $table->integer('yeast_id');
            $table->char('temperature', 20)->nullable();
            $table->text('duration')->nullable();
            $table->integer('alternative')->nullable();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('beer_fermentation');
    }
}