ROLLBACK- this query allows you to undo the changes you have made to the database, therefore returning the database to its previous (last commit) state.
START TRANSACTION or BEGIN start a new transaction.
COMMIT commits to the current transaction, making its changes permanent.
ROLLBACK rolls back the current transaction, canceling its changes.
Funny way to learn mysql. This short video can be related to the MySQL transaction Rollback. A man slides roap, when he couldn't get success to reach the end, he started to puhs him back. That is a very funny part of the video and that's how transaction Rollback in MySQL works. This is how we can also learn with funny videos.