Apache Cassandra

Apache Cassandra: distributed management of large databases

Apache Cassandra is a column-oriented database management system based on NoSQL. It offers options for horizontal scaling so that you can add any number of individual nodes. Cassandra was originally developed for Facebook, but it is now used by many social networks and scientific institutions that manage large amounts of data. In the following article, we’ll introduce you to this system.

CouchDB introduction

An introduction to CouchDB

The creation and continued development of web applications require numerous data sets. How exactly these datasets are stored in databases is crucial for the user. The CouchDB database management system stores data in a way that is schema-free and document-oriented. Non-structured or half-structured data can be virtually filtered and structured without any issues.

MongoDB tutorial: first steps

MongoDB tutorial: installation and setup

MongoDB is a document-based database system that competes with the more traditional relational systems. The setup and configuration is comparable to classics like MySQL, making it fairly straightforward to switch over. So how do you save and call up data with this modern software? Our MongoDB tutorial will explain the installation process and first steps to get you started on this open source...

UML: activity diagram

Activity diagrams: clearly present chronological activity processes with UML

UML activity diagrams help you to graphically illustrate the chronological sequence of system processes in object-oriented programming. They show which actions take place in which order to execute an activity. With a finished diagram, you can create code frames using XML transfer. Or do you want to map business processes? We show examples of how to create an activity diagram, which symbols belong...

Best cloud storage providers

The best cloud storage providers – an overview of the best online storage

Storing files online on a cloud platform has become part of everyday life for many people. Storing files with online storage providers takes the load off your hard drive and ensures that they are available anytime and from anywhere. But what are the best cloud storage providers on the market? And what differences are there between them? Which one would be best for me?

Setting up server backups with rsync

Server Backups with rsync

Server backups are the best way to save vital data from your online projects and avoid losing data. A sophisticated backup strategy including all terminal devices is essential, especially in server environments. To do so, you need reliable backup programs. In addition to software solutions and online services, which are often very expensive, free applications like rsync offer an alternative.

Creating backups with MySQLDumper

MySQLDumper: from installation to backup

“Data is the new oil!”. So when it comes to online businesses, loss of data means loss of capital. Important and sensitive data should be backed up at regular intervals. Thanks to free programs such as MySQLDumper you can create MySQL database backups in minutes! Once installed, you can use the software to automatize and administer backups.

Raspberry Pi projects

25 Raspberry Pi projects that show the possibilities of the mini computer

Raspberry Pi is an inexpensive micro-computer that can behave like a standard computer in many respects. The innovative mini device can be used for a wide range of tasks - from setting up an operating system to surfing the web, to using it as a server or a media center. Discover these interesting Raspberry Pi projects to try out at home.

What is InnoDB?

InnoDB – the best storage engine for MySQL?

InnoDB is currently the default storage engine for MySQL and is recommended for most use cases. The company behind it was acquired by Oracle Systems a number of years ago, and the software is known in particular for being a transaction-safe storage engine. In this article, we’re going to look at some of the features of InnoDB and how it’s different from MyISAM, the previous software.

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