--- title: "Zubair Idris Aweda (@Zubs) | Hashnode" description: "Software Engineer. Technical Writer. Read the latest articles by Zubair Idris Aweda on Hashnode." url: "https://hashnode.com/@Zubs" --- @Zubs # Zubair Idris Aweda @Zubs · Wolverhampton, United Kingdom · Joined April 2020 Software Engineer. Technical Writer. [Website](https://zubs.github.io/) ### [How Relational Database Constraints Work and Why They're Important](https://freecodecamp.org/news/how-relational-database-constraints-work-and-why-theyre-important?utm_source=hashnode&utm_medium=feed) Databases are a crucial tool because they store the data that power our day-to-day lives. Databases are designed to match the real world as much as possible, so they store data of different forms, about different things, just as it is in the world. T... 12 min read · [freecodecamp.org](https://freecodecamp.org/news/how-relational-database-constraints-work-and-why-theyre-important?utm_source=hashnode&utm_medium=feed) [Jan 14](https://hashnode.com/posts/how-relational-database-constraints-work-and-why-theyre-important/69681d224dcb07c08e435626) ### [Learn Relational Database Basics – Key Concepts for Beginners](https://freecodecamp.org/news/learn-relational-database-basics-key-concepts-for-beginners?utm_source=hashnode&utm_medium=feed) In today’s digital world, data is everywhere, and it’s at the heart of most modern applications. Databases are the unsung heroes that keep it all organised and accessible. Many sites use databases, from social media platforms to online shopping retai... 15 min read · [freecodecamp.org](https://freecodecamp.org/news/learn-relational-database-basics-key-concepts-for-beginners?utm_source=hashnode&utm_medium=feed) [Jan 13, 2025](https://hashnode.com/posts/learn-relational-database-basics-key-concepts-for-beginners/67853e7ede435f43fdeb589d) ### [Collect.js Tutorial – How to Work with JavaScript Arrays and Objects](https://freecodecamp.org/news/work-with-javascript-arrays-objects-with-collect-js?utm_source=hashnode&utm_medium=feed) JavaScript arrays are one of the most important data structures in the language, since everything is already an object in JavaScript. They're useful in so many applications, and many other data structures build on top of JavaScript arrays and objects... 10 min read · [freecodecamp.org](https://freecodecamp.org/news/work-with-javascript-arrays-objects-with-collect-js?utm_source=hashnode&utm_medium=feed) [Jan 8, 2024](https://hashnode.com/posts/work-with-javascript-arrays-objects-with-collect-js/66c4c6b6744830ebca763795) ### [What is Cloud Computing? Introduction to the Cloud for Beginners](https://freecodecamp.org/news/what-is-cloud-computing?utm_source=hashnode&utm_medium=feed) As the digital landscape continues to evolve and technology marches forward, cloud computing has remained an important topic for developers to learn. You've probably encountered cloud requirements in job listings, heard people talk about it in conver... 10 min read · [freecodecamp.org](https://freecodecamp.org/news/what-is-cloud-computing?utm_source=hashnode&utm_medium=feed) [Jan 3, 2024](https://hashnode.com/posts/what-is-cloud-computing/66c4c6b3744830ebca763793) ### [How to Use Queues in Web Applications – Node.js and Redis Tutorial](https://freecodecamp.org/news/how-to-use-queues-in-web-applications?utm_source=hashnode&utm_medium=feed) When you're building large scale web applications, speed is a major priority. Users don't want to wait long for responses anymore, and they shouldn't have to. But some processes take time, and they cannot be made any faster or eliminated. Message que... 12 min read · [freecodecamp.org](https://freecodecamp.org/news/how-to-use-queues-in-web-applications?utm_source=hashnode&utm_medium=feed) [Jul 6, 2023](https://hashnode.com/posts/how-to-use-queues-in-web-applications/66c4c699744830ebca763790)