The transactions needed to store information in the database require Structured Query Language (SQL) commands placed inside a PHP script.

Grafana is one of the most widely-used data visualization tools on the market. Learn how to connect Grafana to a remote MySQL database with this tutorial.

Write the PHP code to get the email address from the form, connect to the database and insert the values into the database. Save this file as "postemail.php" in order to link it to the "action" in ...