Image: What is PostgreSQL’s INSERT INTO?Olga RomShutterstock

What is PostgreSQL’s INSERT INTO?

The INSERT INTO command in PostgreSQL allows you to add one or more new rows to a table along with their corresponding values. In this article, we take a look at the command’s structure and the parameters that are used with it. With clear examples, you’ll learn how to efficiently…

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Image: How to use PostgreSQL DELETELightspringshutterstock

How to use PostgreSQL DELETE

Looking to clean up a table in PostgreSQL? With the DELETE command; you can remove specific entries or get rid of all the data in a table. In this article, we’ll take a look at what the command is, how its syntax is structured and how to remove an individual row or all the data…

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Image: How to use PostgreSQL schemasra2 studioShutterstock

How to use PostgreSQL schemas

Managing a database with lots of tables can quickly become overwhelming. Luckily, with PostgreSQL schemas, you can group related tables together, making it easier to organise and work with your database. This article explains the syntax for PostgreSQL schemas, including how to…

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Image: How to add or remove columns in PostgreSQL with ALTER TABLEUndreyShutterstock

How to add or remove columns in PostgreSQL with ALTER TABLE

If you want to add, remove or modify columns in a table, the ALTER TABLE command in PostgreSQL is the go-to solution. In this article, we look at the syntax and functionality of the command, walk you through detailed examples, and explore various actions you can perform to…

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Image: How to create tables with PostgreSQL’s CREATE TABLEGorodenkoffshutterstock

How to create tables with PostgreSQL’s CREATE TABLE

Want to create new tables in a PostgreSQL database? The database management system makes it easy with the CREATE TABLE command. In this article, we’ll take a look at the syntax of the command and the different parameters you can use with it. With easy-to-follow code examples,…

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Image: What is an SQL injection?STILLFXshutterstock

What is an SQL injection?

It seems like almost every day a new software vulnerability is uncovered or an existing one is patched. One attack method that has long exploited such weaknesses is the SQL injection. But what exactly are these malicious database exploits, how do they work, and—most…

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Image: How to install the Virtual Machine Manager (VMM)agsandrewShutterstock

How to install the Virtual Machine Manager (VMM)

The Virtual Machine Manager is a tool for managing VMs on Linux. In just a few steps, you can install virt-manager, create a new VM and manage your virtualisation environment. Whether you want to run a single VM for testing purposes or a complex environment, virt-manager offers…

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Image: What is Chroma DB?Toriashutterstock

What is Chroma DB?

Chroma DB is a robust and versatile database solution specifically designed for efficiently storing and managing vector embeddings. With its open-source codebase and user-friendly API, it is especially suited for professionals in fields like machine learning, natural language…

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Image: What is QEMU? An overview of the emulation softwaresdecoretShutterstock

What is QEMU? An overview of the emulation software

QEMU is a powerful virtualisation and emulation software used in various scenarios, particularly for emulating hardware platforms. Despite some drawbacks, especially in terms of user-friendliness and performance with full emulation, QEMU is an indispensable tool for developers.…

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Image: How to remove Docker volumes step by stepLorna RobertsShutterstock

How to remove Docker volumes step by step

Docker volumes are persistent and take up resources on your host system. You should remove unused Docker volumes to free up valuable disk space for other applications or data. But how do you remove a Docker volume? In this step-by-step guide, we look at the technical aspects,…

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