THE IMPLEMENTATION OF SQL AGGREGATE FUNCTIONS ON UNIVERSITAS HALU OLEO ONLINE INTEGRATED SYSTEM (UHO2IS) Natalis Ransi, Rahmat Ramadhan, Adha Mashur Sajiah, Yusuf Ayuba Seminar Nasional Teknologi Terapan Berbasis Kearifan Lokal Vol. 1 No. 1 2018