Database Performance Development Tutorials, Guides & Insights

• A large dataset of users, posts, or orders.
• Complex queries involving joins, filters, or aggregations.
• Performance issues due to unoptimized queries.

We’ll explore how to identify and resolve these issues for faster and more efficient database interactions.

   composer require barryvdh/laravel-debugbar --dev

Once installed, open your application in the browser. The debug bar will show all executed queries.

CREATE INDEX idx_last_name ON users(last_name);

Composite indexes are useful when queries involve multiple columns. Use the following syntax:

The MySQL Performance Schema is a powerful tool for monitoring database performance. It provides a wealth of information about the execution of SQL statements, memory usage, and other performance-related data.

Performance Schema is enabled by default in MySQL 5.6 and later. To verify it's enabled, run the following query:

SELECT first_name, last_name FROM users WHERE user_id = 1;

Use LIMIT to restrict the number of rows returned by a query, especially for large datasets.