Schema::create('in_shopping_carts', function (Blueprint $table) {
$table->id();
$table->unsignedBigInteger('product_id');
$table->unsignedBigInteger('shopping_cart_id');
$table->foreign('product_id')->references('id')->on('products');
$table->foreign('shopping_cart_id')->references('id')->on('shopping_carts');
$table->timestamps();
});