Schemaless means anything can come put of the DB, or be put onto it. It adds a lot of work to the app developer to keep things validated and secure and there ar

Schemaless means anything can come put of the DB, or be put onto it. It adds a lot of work to the app developer to keep things validated and secure and there are more exceptions to handle. Definitely a trade off. Never had big issues migrating schema-ed databases.