How to backup all Databases to single file in MySQL or MairaDB by using mysqldump

How to backup all Databases to single file in MySQL or MairaDB by using mysqldump

You are working as MySQL/ MariaDB DBA, you have a MySQL or MariaDB service on which you have many databases, you need to take backup of all the databases in single file. Later this file can be used on same of different Server for restore purpose.

link to script used in the video