GNU/Linux Fedora Adding PostgreSQL 13 Repository
How to Add PostgreSQL 13 Dnf Repository for Fedora GNU/Linux Systems.

Setting up Postgres 13 Fedora Dnf Repository
$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }
How to Add PostgreSQL 13 Dnf Repository for Fedora GNU/Linux Systems.