Messenger database (chikamu 1): kugadzira hwaro hwaro
Iwe unogona kushandura sei bhizinesi zvinodiwa mune chaiyo data zvimiro uchishandisa muenzaniso wekugadzira messenger dhatabhesi kubva kutanga. Chikamu 1: kugadzira dhizaini yedatabase Chikamu 2: kugovera iyo "rarama" Dhatabhesi yedu haizove yakakura uye yakagovaniswa seVKontakte kana Badoo, asi "zvichave zvakadaro", asi ichave yakanaka - inoshanda. , inokurumidza uye yakakodzera pane imwe PostgreSQL server - kuitira kuti [ ...]