Whenever you create an object, you need to construct that object, meaning you assign all…

Structural models of software display the organization of a system in terms of the components…

Conceptual Model Once we’ve some use cases or user stories, the next thing we can…

The Concept Of Object-Orientation Object-orientation is what’s referred to as a programming paradigm. It’s not…

This last section is all about examples of real world problems, and what solutions we…

With Spark core, we can analyze batch of data (say, daily). With Spark Streaming, we…

So far we assumed data is sitting on the cluster, but, we didn’t say how…

There are handful of solution to query the data in the whole cluster, or from…

A distributed NoSQL database with no point of failure (no master node). It has a…

We can use and integrate external data storage, relational and non-relational databases to expose the…