database/migrations/2025_11_10_215949_create_sub_groups_table.php


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<?php

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

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('sub_groups', function (Blueprint $table) {
            $table->id();
            $table->string('name');
            $table->foreignId('group_id')->constrained()->onDelete('cascade');
            $table->timestamps();
        });
    }

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