To completely remove MongoDB and its data from your Ubuntu system, follow these steps: 1. Stop the MongoDB Service : Ensure that the MongoDB service is stopped: sudo systemctl stop

To completely remove PostgreSQL and its data from your Ubuntu system, follow these steps: 1. Stop the PostgreSQL Service : Ensure that the PostgreSQL service is stopped: sudo syste

To completely remove MySQL and its data from your Ubuntu system, follow these steps: 1. Stop the MySQL Service : Ensure that the MySQL service is stopped: sudo systemctl stop mysql