I’m stuck on a Computer Science question and need an explanation.

from above attached pic, use question 1, Choose any 4 DB of IBM

Q. What are the key features for each of these database platforms? What are differentiators compared to other database platforms in its like-kind class?

o I expect 1 EACH DATABASE PLATFORM.

Q. Are these databases used on-premise only? Cloud-based only? Mainframe only? Explain the infrastructure use case for each of these databases that you are discussing.

1-1/2 page of synopsis on above question