How to empty a column via the phpmyadmin editor?

Question

The following editor popped up when I clicked edit in the table screen:

I only see the Delete and Update button. How can I empty the column, say, company_info_html?

Answer 1

You cannot empty the content of a column directly via phpMyAdmin, by dragging a column name like you did. The screen you are showing is to help you type SQL commands. The UPDATE statement suggested by alexchenco would do the job.