Updating data using AJAX allows records to be edited without page reload.
This is commonly used in edit forms and admin dashboards.
JavaScript collects updated values and sends them to PHP.
PHP receives updated data and performs database update.
AJAX receives update confirmation from PHP.
Updating records without reload improves user experience.
This operation is widely used in CMS and admin systems.
After completing this lesson, you can update database records using AJAX confidently.