how to have more than one database connection in laravel code example

Example 1: laravel 8 app with more than one database

$blogs = DB::connection('mysql2')->table("blog")->get();print_r($blogs);

Example 2: laravel 8 app with more than one database

<?php  class BlogController extends BaseController{    public function getRecord()    {        $blogModel = new Blog;        $blogModel->setConnection('mysql2');        $find = $blogModel->find(1);        return $find;    }}