https://www.youtube.com/watch?v=f180l9_edsA The primary take-away for me was the

Question

https://www.youtube.com/watch?v=f180l9_edsA

The primary take-away for me was the idea of logical data warehouses. These are data warehouses that combine database types. For example, they combine relational and Hadoop systems into a single warehouse. The benefit of such a structure was shown through the lending example, where a lending company used both metrics stored in a relational database and information stored in Hadoop (social media posts and tweets from customers) to analyze whether a company would pay back a loan Related to this point was the idea of dividing data storage between the landing area and an integrated warehouse. The landing area is the area where raw data arrives. Often, this will be unstructured data sitting in a Hadoop system. The data in the landing area is untransformed and cannot be easily analyzed. The data sitting in the integrated warehouse is transformed data that is ready to be analyzed. It can be used for analytics, visualizations, and dashboards; and is accessible to most company data scientists and business users. This warehouse can mix Hadoop and relational database data, as referenced in the first paragraph about logical data warehouses.

Explanation / Answer

Answer:

So yes, your feedback about the video and Big data is really good. You have explained the functionality of big data and warehouse and how they help into better discussion making.

But in that to be more precise I would like to add somethings and an example to better understand the data models of big data and how it plays an important part in the real world and the company who has lots and lots of data.

So to be able to use the Big data technology the Hadoop is one of the popular and used tools for the big data. Hadoop helps you to analyze your data and help you to get a meaningful data from the raw data present in your warehouse. It helps to make a better decision for the future growth of the company, better process for the company.

So let us take an example, Suppose that a company who makes medicine, and they sell medicine online on their website and the user can also consult to the doctor on their website. So whenever the user comes on their platform and log in and enter details about the problem and what medicine he/she wants.

So what can big data help here is that the company can use the Hadoop and a relational database to extract the meaningful data like and it can really help the company to make better decisions.

Hope this helps....

Good Luck....!!

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