Question

Over the past few years, a new wave of data has emerged. Such data have always existed but did not receive the attention they receive today. These data come from multiple and varied sources, such as website logs, website posts in social sites, and machine generated information (GPS, sensors, etc.).

Respond to the following in a minimum of 175 words:

• Discuss some of the characteristics of a NoSQL database.
• Include specific examples of popular online companies, such as Amazon; which uses NoSQL databases.

Answer 1

The major characterstics of the noSQL databases are:

1.They are highly scalable and can integrate large amount of data without any constraint or restrictions.

2.As these data does not have any specified structure , they can be run on machine and can use the advantage of the distributed computing.

3.As these data can collected from various and can be organised in a non-specific format , it makes it cost effective for the user to use this kind of structure and data.

4.As they are not having a fixed schema , the database becomes flexible for the use and can be easily re-configured by the user.

5.there are no complex or any confusing relationships that may complex the process of retrieve the info.

6.They make of the unstructured or semi-structured database.

7.Data is retrieved as key-value pairs.

NoSQL databases are popular among companies as it is easy to develop, function and they perform very well and this has attracted many companies like Microsoft, Dell, Accenture ,Cognizant , Stack Overflow