What is a NoSQL Database?

NoSQL is a non-relational database used to store different types of unstructured data. It is a language to store and read the data.

It is generally used to classify with below characteristics

Difference between SQL and NoSQL Databases?

SQL is a Query language used to save, insert, and update relational data into the database. NoSQL is a query language to save and update non-relational data.

Following is a comparison of SQL and NoSQL.

Procedure Language Object-Oriented Language
Contains Procedure Contains Methods
Records Objects
Modules Classes

Types of NoSQL Databases

NoSQL databases are categorized as per data models, These are optimized for performance and scaling of any type of data.

Nosql database example

Following are list of NoSQL databases with examples

Type Database Example
Key- Value Amazon DynamoDB,Redis
Document Oriented Database MongoDB, CouchDB
Graph Database Neo4j,InfoGrid
Column Store HBase, Cassandra
In memory EhCache
Searching Solr, Elastic Search

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