Job for mariadb.service failed. Can't start server: Bind on TCP/IP port.

This video aims to address the following errors:
when starting mariadb service:

Job for mariadb.service failed because the control process exited with error code. See “systemctl status mariadb.service” and “journalctl -xe” for details.

mariadb log error:

Can’t start server: Bind on TCP/IP port. Got error: 99: Cannot assign requested address