my-idlers/database/migrations/2022_02_08_010323_create_labels_assigned_table.php

<?php

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

class CreateLabelsAssignedTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('labels_assigned', function (Blueprint $table) {
            $table->char('label_id', 8);
            $table->char('service_id', 8);
            $table->unique(['label_id','service_id'], 'labels_assigned_u1');
        });
    }

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