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Difference Between The DynamoDB And MongoDB

In this article, we will discuss the difference between the DynamoDB and MongoDB.

Managed Service Vs Self-Hosted

DynamoDB is the NoSQL database managed by AWS. The term managed means all the operational and maintenance tasks for running the database system are done by AWS.

MongoDB is the self-hosted NoSQL database.

Data Model

The DynamoDB uses a table-based data model. Like tables, data is organized into tables and each table contains items (rows) and attributes (columns).

The MongoDB uses a document-based data model. The data is organized into collections and each collection contains a document (rows) and fields (columns).

Schema

DynamoDB requires defining the schema (table structure) upfront, including the primary key attributes.

MongoDB is schema-less, meaning you do not need to define a strict schema upfront.

Scalability

DynamoDB is designed for automatic horizontal scalability. It can handle large amounts of data and traffic by distributing data across multiple partitions.

MongoDB also supports horizontal scalability that splits data across multiple nodes and requires manual configuration as compared to DynamoDB.

Posted By -	Karan Gupta

Posted On -	Monday, September 25, 2023

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