I don't know if it is appropraite to ask in here, but I need help to prepare for a final exam. I have big data managemnt, which is a straight forword subject, but becouase of some issues, the final exam will be diffrent than what we were thought and we were told to figure it out. so the subjects for the final are:

$1.$ Big data processing and technology

$2.$ no sql database

$3.$ cloud technology

$4.$ bdm architucters

what I need help with is book reccomendations to prepare for the exam. I have been studying diffrent archituctres in diffrent spears $($finanical$,$ healthcare, and so on$),$ any help is appricated