In the previous articles we have discussed about three common databases used in data sciences - Column-oriented Database, Key-Value Database and Document-Oriented Database. A graph database portrays the data like they are viewed conceptually. This graph is of mathematics. A graph in mathematics is not a bar or line chart. It is like a mind map. The graph paradigm is a reimagination of what is … [Read more...]

We have become accustomed to finding an answer to any question in seconds - all it takes is a mobile device and an internet connection. Entering queries into search engines multiple times a day is now second nature — whether it’s the height of an actor in a show you are streaming, the latest update on a current event, or fact-checking a piece of trivia someone just dropped on you. A similar … [Read more...]

In our previous article, we have discussed about Key-Value Database, which is type of NoSQL database. The document-oriented databases are designed to store, retrieve & manage document-oriented semi structured data. It is normal to compare the document-store with key-value database (we gave some example use cases in caching, image storage, financial sectors including forex trading) as some of … [Read more...]

A key-value database is a type of NoSQL database which uses a key-value method to store data. Key-value databases work differently from the relational databases. They store data as a collection of key-value pairs where a key serves as a unique identifier. The key-value databases are designed for storing, retrieving, and managing a data structure known as a hash table (or dictionaries). They … [Read more...]

Up to the third part on fields of application of Big Data, we have discussed about all topics which can be put under the header “Business Life Application”. Namely – (i) Research and product development (ii) Financial and Risk Controlling (iii) Production (iv) Marketing and Sales and (v) Distribution and logistics. In the this part, we will discuss the use cases related to personal life including … [Read more...]

In the second part of Fields of Application of Big Data, we have discussed about some topics which can be put under the header “Business Life Application”. They were (i) Research and product development (ii) Financial and Risk Controlling (iii) Production. In this 3rd part of of Application of Big Data, we have discussed use cases in two fields - marketing and sales, distribution and … [Read more...]

Hadoop is the pioneer platform which started the revolution of Big Data. Hadoop is one of the software used as an example of how big data works are handled. Hadoop is still used by many companies to store their data. The field of big data is rapidly progressing giving birth to cheap alternatives. So, our guides such as how to install Hadoop may not be useful in professional life. Presently, Hadoop … [Read more...]