NoSQL Databases
Before we delve deeper into specific types of NoSQL databases, let's first understand what a NoSQL database is. It's not a great name, but it is hard to come up with anything better. As the name implies a NoSQL database is any database that is not a SQL database. It comprises a variety of database technologies that had to be built in response to market demands for products that were able to handle bigger workloads and larger and more diverse datasets.
Data is the new oil and it exists in a wide variety of places. Log files, audio, video, click streams, IoT data, and emails are some examples of the data that needs to be processed and analyzed. Traditional SQL databases require a structured schema before the data can be used. Additionally, they were not built to take advantage of commodity storage and processing power easily available today.
Types of NoSQL databases
Document databases – Document databases are used to store semi-structured...