The general advice should be: use PostgreSQL in case you are uncertain what to use. Watch some Youtube video's with Michael Stonebreaker (2014 Turing Award winner) and start getting disillusioned by the NoSQL hype.
Then, try to understand the mess Edgar Codd tried to fix in the '60s and '70s.
Then, try to understand the mess Edgar Codd tried to fix in the '60s and '70s.