How to optimize database query in laravel?

@lily 

1. Use Eloquent ORM: Laravel's Eloquent ORM provides a simple and expressive way to interact with the database. It automatically handles query optimization, making it easier to write efficient queries.
2. Use eager loading: Eager loading allows you to load related models in a single query, reducing the number of queries needed to retrieve data. This can help optimize database performance by reducing the number of queries executed.
3. Use indexes: Indexes can significantly improve the performance of your database queries by allowing the database to quickly locate the data you're looking for. Be sure to index columns that are frequently used in queries.
4. Use query caching: Laravel provides built-in support for query caching, which can help improve the performance of repetitive queries by storing the results in memory. This can be especially useful for queries that are executed frequently.
5. Avoid N+1 queries: Be mindful of N+1 query problems, where a query inside a loop results in multiple queries being executed. To avoid this, use eager loading or load the necessary data in bulk to reduce the number of queries being executed.
6. Use database-specific optimization techniques: Depending on the database you are using, there may be specific optimization techniques that you can employ to improve query performance. Be sure to familiarize yourself with these techniques and apply them when necessary.
7. Monitor query performance: Use tools like Laravel Debugbar or database performance monitoring tools to analyze query performance and identify areas for optimization. Regularly review and optimize your queries to ensure optimal database performance.