GNU/Linux Ubuntu 16.04 Install PostgreSQL 12 – Step by step Guide
How to Install PostgreSQL 12 in Ubuntu 16.04 Xenial LTS GNU/Linux desktop/Server.
And PostgreSQL 12 for Ubuntu 16.04 is a Powerful, Open Source Object-Relational Database System with a proven Architecture knows for its strong Reliability, Data Integrity, and Correctness.
Moreover, PostgreSQL 12 is a Major Release that contains a number of Extensive Changes that May affect Compatibility with Previous Releases.
Especially relevant: A dump/restore using pg_dumpall, or use of pg_upgrade, is Required for those wishing to Migrate Data from any previous release.

-
1. Launching Terminal
Open a Shell Terminal emulator window
Ctrl+Alt+t on desktop
(Press “Enter” to Execute Commands)In case first see: Terminal QuickStart Guide.
Or Login into Server Shell.
Contents