? ???? ??? ?????? ???? ?? ???? ?? ?? ? ??? ???? ?? ???? ?? ???? ???? ??? ??? ???? ?? ??? ???? ???? ???? ??? ??? ? ???.Datalog is really a declarative logic programming language. Though it is syntactically a subset of Prolog, Datalog frequently takes advantage of a base-up instead of prime-down evaluation model.Report Small business approach automat