CRUD (Create, Read, Update, and Delete) are the basic data operations and one of the first things you learn as a Laravel developer.
Eager Loading is a part of laravel relationship and it is the best. But sometimes we just need to get specific columns from the relation model.
The Eloquent ORM Provides an ActiveRecord Implementation to work with your database. Eloquent ORM seems like a simple mechanism, but under the hood, there are a lot of semi-hidden functions.
Laravel allows connecting multiple databases with different database engines. Laravel has inbuild support for multiple database systems, you need to provide connection detail in their database config file.