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

Step-by-step – PostgreSQL 12 Installation in Ubuntu 20.04 Guide

December 11, 2019 | By the+gnu+linux+evangelist.

Installing

  1. 2. Setting Up PostgreSQL 12 Repo

    How to Add PostgreSQL 12 Linux Ubuntu Apt Repository

    PostgreSQL 12 Apt Repo Setup
  2. 3. Installing PostgreSQL 12

    Then to Install PostgreSQL 12 for Ubuntu
    Simply play:

    sudo apt install postgresql-12

    To get installed also the Client programs add:

    sudo apt install postgresql-client-12

    Again to Search for other gears:

    sudo apt search postgresql-12

    If Got “User is Not in Sudoers file” then see: How to Enable sudo

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