Cloud Computing

OLAP stands for Online Analytical Processing. OLAP is an application used to ease the query processing on data warehouse. The terminology OLAP was created by modifying the traditional database related term online transaction processing (OLTP). OLTP facilitates and also manages the transaction-oriented applications. OLAP is an approach to multi-dimensional analytical (MDA) queries and is a part of … [Read more...]

The casino is all about numbers, and so is big data. Winning a gargantuan amount of money is not something people tend to forget. And anyway, why would they? In the realm of the casino, and especially slotsslotsslots, this gargantuan amount of money can genuinely turn into the ticket to a completely new life. Casinos are ultimately a business and big data is a business tool. As such, the … [Read more...]

In order to follow this guide, one need to install Java (preferably Sun Java) installed, MySQL 5.x and Hadoop cluster. We already have published separate guides on how to install Percona MySQL on Ubuntu server and how to install Hadoop on single server. Chukwa visualization interface requires HBase. Chukwa is a system designed for reliable log collection and processing with Hadoop. Chukwa cluster … [Read more...]

Choosing the correct type of database is an important part of developing a new application. In our earlier publications, we have discussed about four common type of databases used in different data science related applications, which are Key-Value Database, Graph Database, Document-Oriented Database and Column-oriented Database. In addition, there is traditional RDMS, such as MySQL and the new … [Read more...]

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...]