Storage Systems

PostgreSQL

PostgreSQL: a closer look at the object-relational database management system

The PostgreSQL database management system, also known to many as Postgres, has many decades of development behind it. It originally started as a project at Berkeley University in California. Today, the open source database continues to defy solutions from commercial competitors, since the development team is constantly working on its functionality and performance. But what exactly is PostgreSQL?...

Fog computing

Fog computing: decentralized approach for IoT clouds

Traditionally, cloud solutions are designed for central data processing. IoT devices generate data, send it to a central computing platform in the cloud, and await a response. However, with large-scale cloud architectures, such a system inevitably leads to bandwidth problems. For future projects such as connected cities and smart manufacturing, classic cloud computing is a hindrance to growth. The...

Edge computing

Edge Computing – Calculating at the edge of the network

Autonomous cars, intelligent factories and self-regulating supply networks – a dream world for large-scale data-driven projects that will make our lives easier. However, what the cloud model is and how it works is not enough to make these dreams a reality. The challenge of effectively capturing, evaluating and storing mass data requires new data processing concepts. With edge computing, IT...

The best online backup services

Comparing the best online backup services

Many people use several devices and have data stored on them. What should you do if your data carrier fails or the data gets lost? Backing up data is extremely important and an online backup makes perfect sense. By doing this, you don’t risk losing your important files.. What is the best option? Here is a comparison of online backup service providers.

Password Protect ZIP Files

Encrypting ZIP Files: How to Password Protect Your ZIP Files

The ZIP format enables you to combine multiple files or entire directory trees in a compressed container file. This not only saves hard drive space when archiving; ZIP files can also be password protected, if required, to safeguard archived content from third-party access. We show you how to do this.

WinZip Alternatives

WinZip alternatives: the best programs at a glance

Those seeking a powerful file archiver often fall back on WinZip. The tool allows users to quickly and easily compress files into archives or read already compressed data. WinZip also offers other useful features, which are available for a fee as soon as you’ve completed your trial period. However, if you don’t want to pay for file compression, there are various free WinZip alternatives to take...

Opening ZIP Files

Opening ZIP Files

ZIP is the standard container format for archive files. Even when sending lossless-compressed files, ZIP is usually the format of choice. Generally, anyone can open ZIP files. Suitable tools are offered by all common operating systems. However, special ZIP programs such as WinZip, WinRAR, and 7-Zip provide a greater range of functions.

Relational Databases

The relational database model

With relational database systems, you use tables to store and manage information. This sounds simple but involves quite complex concepts such as normal forms, key relationships, and JOINs. This article will introduce the basics of the relational database model, compare its advantages and disadvantages, and delimit this type of data storage from alternative approaches, like object databases,...

Clearing your RAM

Clearing your RAM: our step-by-step guide

Computers simplify our working life and everyday life in many ways. However, if they do not run as usual, they can become more of a hindrance than a help. The various possible causes of performance problems include excessive memory usage, which plays an important role in managing active processes. One possible solution is to clear the RAM, and thereby increase your RAM.

Create a ZIP file

Create a ZIP File: compress your files

Send multiple images and videos via email, archive large amounts of data without using too much space, or encrypt confidential documents - you can do all of this by zipping files. We show you how to create a compressed ZIP file in Windows as well as macOS in our step-by-step guide. We also show you how to protect your files with a password if needed. This way, you can manage your storage space...


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