Encyclopedia

Blockchain

Blockchain

Blockchains are a rather hot topic right now. Though the term is far less common than Bitcoin itself, its significance in today’s world far exceeds that of the latter. After all, cryptocurrencies are run entirely on blockchain technology, which combines peer-to-peer networks with cryptographic methods and various assumptions of game theory. The result: reliable infrastructures tailored for...

Database normalisation

Less redundancy thanks to database normalisation

Redundancies occur when various details are combined in a single database table. These redundancies use up storage capacity and prevent efficient data processing. The relational database model offers strategies for splitting datasets among several linked tables, in a process called database normalisation. Find out what it’s all about with practical examples.

SSH: Secure Shell

What is SSH? The secure shell simply explained

If you want to establish a secure connection to your server via the internet, you will need SSH. Whether sending commands, uploading files, or during remote maintenance, secure shell ensures that criminals cannot gain access to your sensitive data. Effective encryption and correct authentication are essential for this. To help you understand what is behind the SSH protocol, we reveal how it works...

Webinar

Webinar: definition, basics, and possible uses

The internet and World Wide Web have brought humanity closer together – it has never been easier to share information, experiences, and memories than it is today. More and more often, the web also serves as a platform for further education. So-called webinars - i.e. online seminars – are replacing classic face-to-face lectures. Companies and teachers now communicate knowledge online instead of in...

B2G – Business-to-Government

B2G – business-to-government

In the course of setting up a business, there is no way around important authorities such as the tax or HMRC. But a relationship to the tax returns office need not just be a purely functional one – sometimes, it is possible to enter into a business relationship with these authorities too. This kind of business relationship between companies and authorities is called B2G (business-to-government).

B2B: business-to-business

B2B: business-to-business

B2B – short for business-to-business – is familiar to many sales and marketing professionals. But what exactly does the term mean, and how does a B2B company appeal to potential customers? The changes that digitalisation is bringing to business processes is presenting new challenges to companies, and the B2B industry is no exception. In this guide, you will learn how to respond appropriately to...

UDP - User Datagram Protocol

UDP: What is the User Datagram Protocol?

The Internet protocol family – the cornerstone for communication on the Internet – has around 500 members who work on a wide variety of layers. For example, the connectionless User Datagram Protocol (UDP) is responsible on the transport layer for the transmission of packets that were previously addressed via the Internet Protocol (IP). In this guide, you can find out exactly what distinguishes...

What is Internet protocol? – IP definition, etc.

What is Internet Protocol (IP)?

When networking a computer system, protocols play an important role. An example is the Internet protocol, which was published in a first specification in 1981, and is the indispensable basis for the smooth sending and receiving of data packets. But what is behind the RFC standard? And how does the Internet protocol actually work?

Sitemap

Sitemaps – Here’s what you need to know

Sitemaps belong to the standard features of a website, but they seem to be gradually disappearing from the World Wide Web. Some online presences hide the navigation file or even forgo it completely. We explain why search engines like Google still give sitemaps a lot of attention, how important sitemaps are for SEO as a result, and how you can create sitemaps yourself – manually or with a sitemap...

UML: Unified Modeling Language

UML - a graphical-type modeling language

If you need to run object-oriented programming, to represent a system clearly, and also make it accessible to external specialists, you may find the Universal Modeling Language to be ideal. UML is a modeling language, but has many other possible uses. Since the introduction of UML 2.0, UML diagrams are also suited to the graphical representation of non-computer-based concepts, such as use case...


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