Perguntas de entrevista da empresa Valuefy Solutions

DBMS ---- 1. How to ensure safe money transfer between bank accounts ? my answer ACID 2. In a social media app - I have to store posts. then will I choose SQL or NoSQL justify

NodeJS ------ 1. if a object in utility file gets updated and the update is not received by other files reading this service, how is nodejs module caching involved ? and how to ensure proper state management in nodejs 2. how to process a large csv file which is causing load and delay, without offloading to another service ? 3. how to serve a video to user ? it's crashing ? 4. if we get memory out of heap ? how will I debug and what role does os has to play in it ?