$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install PostgreSQL 12 on CentOS Gnu/Linux Distro

GNU/Linux CentOS Installing PostgreSQL 12 Guide

Hi! The Tutorial shows you How to Install PostgreSQL 12 in CentOS GNU/Linux Distribution.

And PostgreSQL 12 for CentOS is a Powerful, Open Source Object-Relational Database System with a proven Architecture knows for its strong Reliability, Data Integrity, and Correctness.

Install PostgreSQL 12 on CentOS - Featured

GNU/Linux CentOS PostgreSQL 12 Database Installation Guide