
MySQL
Once the browser initiates a request, the backend — typically built with frameworks like Django (Python), Express (Node.js), or Laravel (PHP) — authenticates the user session and performs data retrieval operations from a database (e.g., MySQL, PostgreSQL, MongoDB). The response, usually formatted in JSON, is then encrypted using TLS/SSL protocols and sent back to the browser.
On the client side, JavaScript frameworks such as React, Vue.js, or Angular parse and dynamically present the data to the user without needing to reload the entire page. This interaction is often enhanced by AJAX or Fetch API, allowing seamless, real-time user experiences.

PostgreSQL
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