Here, I introduce the way to show values vertically which are retrieved by SELECT SQL in PostgreSQL.
VirtualBox: Find Host IP Address from the Guest Machine (Linux) in NAT Connection
I wrote the way to check host machine IP address from VirtualBox guest machine connected as NAT. Substantially speaking, it is the gateway address of the guest machine.
History
When I launched Kotlin API server in Host, Windows, and Launched Rails Web application in Guest Linux, I needed to know the host machine IP address for accessing to the API.