What are Laravel migrations and why are they useful? Laravel migrations क्या हैं और क्यों उपयोगी हैं?

Migrations are version control for your database schema, written as PHP code instead of manual SQL, so schema changes can be tracked, shared, and rolled back.

php artisan make:migration create_posts_table

public function up()
{
    Schema::create('posts', function (Blueprint $table) {
        $table->id();
        $table->string('title');
        $table->text('body');
        $table->timestamps();
    });
}

public function down()
{
    Schema::dropIfExists('posts');
}