Why is MongoDB not considered relational DBMS?

Why is MongoDB not a relational database?

This ability to digest and organize various types of information side-by-side makes non-relational databases much more flexible than relational databases. Example MongoDB Document for a Patient in Healthcare. Non-relational databases are often used when large quantities of complex and diverse data need to be organized.

Is MongoDB a relational database management system?

MongoDB is a well-established, non-relational database system offering improved flexibility and horizontal scalability, but at the cost of some safety features of relational databases, such as referential integrity.

How MongoDB is different from relational databases?

Fundamental Differences The immediate and fundamental difference between MongoDB and an RDBMS is the underlying data model. A relational database structures data into tables and rows, while MongoDB structures data into collections of JSON documents. JSON is a self-describing, human readable data format.

Is MongoDB relational or NoSQL?

MongoDB is a database based on a non-relational document model. Thus, as a so-called NoSQL database (NoSQL = Not-only-SQL), it differs fundamentally from conventional relational databases such as Oracle, MySQL or the Microsoft SQL Server.