The N+1 query problem occurs when your application executes one query to retrieve the main records and then an additional query for each related record, leading to a total of N+1 queries.
Laravel Debugbar is a package that provides a visual interface to monitor various aspects of your application, including database queries, helping identify N+1 problems.
Laravel provides eager loading methods like with() and load() to retrieve related records in a single query, preventing N+1 problem.
Additionally, Laravel offers tools like Laravel Query Detector and methods in Eloquent models to help developers detect and eliminate N+1 query problems proactively.