remove only_full_group_by from mysql code example
Example: mysql remove only_full_group_by permanently
sudo nano /etc/mysql/mysql.conf.d/mysqld.cnf
[mysqld]
# Add this line in last
#-----------------------
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
#-----------------------
#Save file and exit
sudo systemctl restart mysql