How NoSQL DB stores data?

How do NoSQL stores and manage data?

NoSQL data stores offer flexible schemas or are sometimes completely schema-free and are designed to handle a wide variety of data structures [11, 12, 24]. Current solution data models can be divided into four categories: key-value stores, document stores, column-family stores, and graph databases.

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.

What serves NoSQL Datastore?

A nosql datastore service is a type of database that stores data in a non-relational way. It is called nosql because it does not use SQL to query the data. NoSQL databases are designed for storing and managing large amounts of unstructured data, which can be spread across multiple servers or storage devices.