Schema design with MongoDB is almost too easy, but if you've been flattening things out into tables for 20 years, there are a number ways that you can get it wrong.

The design of a schema in MongoDB is just as important as it is in RDBMS. Indeed, schema design can be even more complicated in MongoDB. At least in SQL databases, we have the 'first normal form' ...

While schema design was previously associated with rigid, normalized structures, MongoDB’s document model allows for more flexibility and schema-less design.

With MongoDB’s schema-less design, users will be able to bring in new multiple big data sources without needing to ‘prepare it’ in a more traditional sense.