APL is for numerical programming with vectors, matrices and so on.
Prolog or Datalog is best when you deal with logic, complex rules, deduction, configurations, graph manipulation, or search. For example, Microsoft used to have embedded Prolog that chose the right combination of libraries and drivers when you installed their OS.
Prolog or Datalog is best when you deal with logic, complex rules, deduction, configurations, graph manipulation, or search. For example, Microsoft used to have embedded Prolog that chose the right combination of libraries and drivers when you installed their OS.