Glossary

What is the Relational Model? — step-by-step DevOps tutorial on Progressive Robot

What is the Relational Model?

The relational model is an abstract model used to organize data within a database. In order to control access to a database, write data, run queries, or perform any other tasks related to database management, a database management system must have some kind of underlying model that defines how…

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What is a Backup? — step-by-step DevOps tutorial on Progressive Robot

What is a Backup?

Backups are copies or archives of data used for recovery after the loss, deletion, or corruption of a database or filesystem. Developers can create backups in a number of ways, including manual implementation, cloud hosting services, or backup programs.

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What is a Socket? — step-by-step DevOps tutorial on Progressive Robot

What is a Socket?

Sockets are a way to enable inter-process communication between programs running on a computer, or between programs running on separate computers. Programs that communicate via network sockets typically rely on using the Internet Protocol (IP) to send and receive data.

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What is Caching? — step-by-step DevOps tutorial on Progressive Robot

What is Caching?

Caching refers to the process by which server responses are stored and reused to make subsequent requests faster. DNS, databases, and web servers frequently use caching to increase speed and reduce load on servers and networks.

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What is Java? — step-by-step Programming tutorial on Progressive Robot

What is Java?

Java is a concurrent, class-based, object-oriented programming language intended to run with as few implementation dependencies as possible.

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What is PHP? — step-by-step Programming tutorial on Progressive Robot

What is PHP?

PHP is a general-purpose programming language created by Rasmus Lerdorf in 1994. Originally designed to facilitate building web pages with dynamic components, PHP has seen many changes and improvements since its first release. These changes, along with the rise in popularity of WordPress, a free and open-source content management system written in PHP, have helped it become one of the most popular programming languages for the web.

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What is WordPress? — step-by-step WordPress tutorial on Progressive Robot

What is WordPress?

WordPress is a free and open source content management system (CMS) that provides blog and site infrastructure, creation, and publishing tools.

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What is a Boolean? — step-by-step DevOps tutorial on Progressive Robot

What is a Boolean?

A Boolean is a data type which has one of only two possible values: true or false. Booleans represent the truth values that are associated with the logic branch of mathematics, which informs algorithms in computer science. In programming, Booleans are used to make comparisons and to control the flow of a program.

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What Is a Superuser? — step-by-step DevOps tutorial on Progressive Robot

What Is a Superuser?

A superuser is an account with broad privileges, making it useful for system administration. This account is known by other names as well, such as “root”, “administrator”, and “supervisor”. The superuser’s privileges are unrestricted and it can perform any available action on a system, including potentially dangerous ones like adding or deleting users or installing and removing software.

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What is Cloud Computing? — step-by-step DevOps tutorial on Progressive Robot

What is Cloud Computing?

Cloud computing is the on-demand delivery of computing resources as services, meaning that the resources are owned and managed by the cloud provider rather than the end user.

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