No, MongoDB is a NoSQL database service, which is different from a relational database service.

Relational databases, such as MySQL, Oracle, and Microsoft SQL Server, use a relational model to organize data, where data is organized into tables with rows and columns, and relationships between data are established using foreign keys.

On the other hand, MongoDB uses a document-oriented model, where data is stored in semi-structured, BSON (binary JSON) format, which is similar to JSON. In MongoDB, data is organized into collections of documents, and relationships between data can be established using references or embedded documents.

MongoDB is designed for high scalability and performance, and it is often used for handling large amounts of unstructured or semi-structured data, such as JSON documents. It’s also known for its ease of use and horizontal scalability. MongoDB’s document-based data model and powerful built-in aggregation make it a popular choice for use cases such as content management, real-time analytics, mobile and IoT applications.

In summary, MongoDB is a NoSQL database service, it is not a relational database service, it uses a different data model and it’s optimized for different use cases.