How data is stored in NoSQL databases?

In which format data is stored in NoSQL?

The format used could be JSON, XML, YAML etc. The JSON format is the format of choice for NoSQL databases, and for good reason. A JSON document is simply more compact and more readable. JSON (JavaScript Object Notation) is a data representation format formulated by the JavaScript programming language.

Can NoSQL store structured data?

NoSQL databases can store structured, semi-structured and unstructured data. Their main advantages focus on semi-structured (JSON, XML, not all fields are known) and unstructured. But, you can safely store BLOB in a RDBMS, e. g., Oracle Database and many others relational databases.

How a graph type NoSQL database stores data?

Graph Databases A graph database focuses on the relationship between data elements. Each element is stored as a node (such as a person in a social media graph). The connections between elements are called links or relationships. In a graph database, connections are first-class elements of the database, stored directly.