Add Form Field to an existing form

Job ID: 30903837

Budget: ₹600 – ₹1,500 INR

I have and already deployed website. I want to add one more field in a form. Data from this form should be updated into my database as well. And also wants to fetch this data and display somewhere in the same form. So basically it is an edit form.
Related categories: PHP JavaScript MySQL Database Programming React.js