Hi Hasanj,   CCP is seems to be liberal with the languge or data processing engin(hadoop or spark) you use, if you choose spark then you could do it all with python. You could learn python faster than java.   Im also from DWH back ground, I would suggest you CCA175 certification. But CCA175 require you to write program in Scala and Python. If you are incliend towards programming then you could learn python and scala pretty fast.     ... View more