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

How to Install Adminer on Ubuntu Gnu/Linux Distro

GNU/Linux Ubuntu Installing Adminer Guide

Hi! The Tutorial shows you Step-by-Step How to Install Adminer in Ubuntu GNU/Linux Distribution.

And Adminer for Ubuntu is a Web Tool available for MySQL, MariaDB, PostgreSQL, SQLite, MS SQL, Oracle, Firebird, SimpleDB, Elasticsearch and MongoDB.

Furthermore, Adminer (formerly phpMinAdmin) is a Full-Featured Database Management Tool written in PHP. Conversely to phpMyAdmin, it consist of a Single File Ready to Deploy to the target Server.

How to Install Adminer on Ubuntu GNU/Linux Distro - Featured

GNU/Linux Ubuntu Adminer Installation Guide