Transaction support in MongoDB

Question

I am new to MongoDB. I read that MongoDB does not support multi-document transactionshere http://docs.mongodb.org/manual/faq/fundamentals/.

If I want to

Answer 1

Only support Single Document Transaction.

You can see it at: https://docs.mongodb.com/v3.2/tutorial/perform-two-phase-commits/

Answer 2

Multi-document updates or “multi-document transactions” using a two-phase commit approac described here: http://docs.mongodb.org/manual/tutorial/perform-two-phase-commits/