A star schema is a special form of a data model whose goal is not normalization, but optimization for efficient read operations. The main field of application is a data warehouse and OLAP applications. The term star schema comes from the fact that the tables are arranged in a star shape: at the centre is a fact table around which several dimension tables are grouped. A star scheme is usually … [Read more...]
Archives for November 2021
What is Object-Relational Mapping?
Object-relational mapping (ORM) is a software development technique that allows an application program written in an object-oriented programming language to store its objects in a relational database. The database then appears to the program as an object-oriented database, which facilitates programming. This technique is usually implemented with class libraries, such as Entity Framework for .NET … [Read more...]
The Benefits of Cloud Computing
If you are looking to make the switch to cloud computing, you should familiarise yourself with the different ways in which it can benefit you and your business going forward. As one of the latest technology trends to take the world by storm, it can revolutionise your approach to daily work processes and contribute towards the growth and development of your brand on a wider scale. Continue reading … [Read more...]
The Critical Role of Big Data in Current Decision-Making Processes
In the digital world, where automation and advanced technologies are the new norms, a lot of data is generated. Internet of Things (IoT) devices and smart machines generate industry-specific and real-time data sets that were untapped a decade ago. Forward-looking organizations and businesses are now leveraging these data sets to derive insights and a new form of knowledge that can aid … [Read more...]
How to install ClickHouse Database on Ubuntu Server
ClickHouse is a free column-oriented database software (DBMS) for online analytical processing (OLAP). ClickHouse was developed by the Russian company Yandex for the web analysis service Yandex. ClickHouse allows the analysis of updated data in real-time. This system is developed for high performance. The project was released as free software under the terms of the Apache License in June 2016. … [Read more...]
eSIM : What You Should Know
eSIM (Embedded SIM) is an evolution of the SIM card for mobile phones and connected objects. Although the size of SIM cards has been reduced more and more, some "new" communicating objects, such as smartwatches, no longer have enough room to integrate a SIM card, even in nano format. And, above all, it is quite complicated to change the SIM card on connected objects. It was then decided to develop … [Read more...]