thamaraiselvam on "[Plugin: Category Featured Images] how to get URL of the image with category id from the database manually"

I need to know that how its working, how you are storing into postmeta table and how you are retrieving to corresponding category ?
if i attach feature image for post i cant get post id , from postmeta table same way how can i find out for category id?

2. Cannot add featured image for custom categories !
Thanks in advance

https://wordpress.org/plugins/category-featured-images/