SQL query to sum two or more columns and displaying them in the other column – Phpmyadmin
I'm having really hard time trying to make this work. I have this table : evid_record Its named evid_record and I want to sum columns : 'Kolokvijum teorija' + 'Kolokvijum zadaci' + 'Aktivnost' + 'Prisustvo' + 'Seminarski rad' + Domaci…