2 ways to Remove ONLY_FULL_GROUP_BY in mysql server Temporary & Permanently. with phpmyadmin and by modifying the server configuration file
Simple steps to Install and MySQL, PHP 8.0, phpMyAdmin with Nginx on an Ubuntu 20.04 Server
A 413 Nginx error occurred while uploading the database through phpMyAdmin. the requested entity was too large as per the error.
Easiest way to import and Export Large Database files in MySQL or MariaDB using the command line.