How can I get forms data to my own server or my own database?

Can I send data to my own server instead of using dropbox?

Here is an example of how to send submissions to your own database: https://www.jotform.com/help/126-How-to-send-Submissions-to-Your-MySQL-Database-Using-PHP 

Open a new thread if you need anything else, we will be glad to assist you.