MongoDB is like MySQL: it promises you the world, and you believe it can deliver, and it often does, till that day when it committed a transaction which it shou

MongoDB is like MySQL: it promises you the world, and you believe it can deliver, and it often does, till that day when it committed a transaction which it shouldn't have, tripped over its own clogged up mess and spilled your carefully collected data all over the floor. Without telling you.