It is, however, still a “dual schema” problem, in that now you have two competing “sources of truth” that have to be reconciled to one another, the database schema, and the object model.

MongoDB's flexible schema has a lot of advantages and is clearly popular with modern application developers. However, flexible schema does not mean no schema, and those wishing to develop performant ...

Fauna, the distributed document-relational database delivered as a cloud API, today announced a new declarative schema and a suite of DevOps tooling a ...

But multivalue database schemas are less rigid than conventional relational database schemas. Unlike relational databases, multivalue databases can assign more than one value to a single attribute.