MongoDB Advantages

Any relational database has a typical schema design that shows number of tables and the relationship between these tables. While in MongoDB there is no concept of relationship

Advantages of MongoDB over RDBMS

• Schema less : MongoDB is document database in which one collection holds different different documents. Number of fields, content and size of the document can be differ from one document to another.

• Structure of a single object is clear

• No complex joins

• Deep query-ability. MongoDB supports dynamic queries on documents using a document-based query language that's nearly as powerful as SQL

• Tuning

• Ease of scale-out: MongoDB is easy to scale

• Conversion / mapping of application objects to database objects not needed

• Uses internal memory for storing the (windowed) working set, enabling faster access of data

Why should use MongoDB

• Document Oriented Storage : Data is stored in the form of JSON style documents

• Index on any attribute

• Replication & High Availability

• Auto-Sharding

• Rich Queries

• Fast In-Place Updates

• Professional Support By MongoDB

Where should use MongoDB?

• Big Data

• Content Management and Delivery

• Mobile and Social Infrastructure

• User Data Management

• Data Hub