The video tutorial explains how to create a MongoDB database and collection using Docker. It demonstrates stopping and removing Docker containers and networks, and then recreating them. The tutorial highlights the issue of data loss when containers are removed and recreated, and introduces the concept of using Docker volumes to persist data across container restarts.

How can you verify if the TMP database is present in Mongo Express after restarting containers?

Describe the impact of creating new containers on the MongoDB database.