Articles Cookbook
7 Nov 2023
Jill Thornhill

Why Every Database Administrator Needs SQL

What is a database administrator? What do they do? Why do they need to know SQL, and what do they use it for? In this article, I'll answer these questions. As technology advances, more and more data is available to help organizations make informed decisions. You can't stay competitive – or provide good service to your customers – without the right information. Database administrators are responsible for making sure the right data is stored safely, that it's easily accessible to those who need it, and that it’s protected from malicious attacks.
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2 Nov 2023
Maria Durkin

Where to Practice SQL

Are you looking to boost your data management or analytical abilities? Then you need to know how and where to practice SQL, the worldwide language for managing and running relational databases. Of course, knowing where to practice SQL can be a challenge – there are so many options! In this article, we’ll walk you through the best digital platforms for enhancing your SQL skills. SQL, or Structured Query Language, is the universal language for managing and operating relational databases.
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31 Oct 2023
Jakub Romanowski

Why Learn SQL?

In a world overflowing with data, SQL is the key to making sense of it all. It offers numerous SQL benefits that help transform raw data into actionable insights. It's the bridge between raw numbers and meaningful insights. Let's explore SQL’s unmatched value in our data-centric era and answer the question: "Why learn SQL?" Every day, businesses and individuals generate and interact with vast amounts of data—over 120 zettabytes in 2024, according to Statista—seeking insights and solutions.
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26 Oct 2023
Jakub Romanowski

How to Prepare for the SQL Assessment Test

In this guide, I’ll walk you through the essentials of SQL assessment preparation, from understanding database management to mastering data analysis and SQL commands. Let’s dive in and set you on the path to success. In today's data-centric world, mastering SQL proficiency holds paramount importance. Whether you're a seasoned database manager or a newbie exploring the realm of database management, gearing up for an SQL Assessment is crucial. Stepping into the world of SQL can be both thrilling and challenging.
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25 Oct 2023
Jakub Romanowski

The Best SQL Books for 2024

In 2024, finding the right resources to learn SQL is more important than ever. But with so many options out there, how do you choose the best one? In this guide, I will share some top SQL books to help you learn and master SQL this year. SQL, or Structured Query Language, is a tool that helps you work with data stored in databases; it lets you find and change information quickly and easily.
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23 Oct 2023
Jakub Romanowski

This Is the Best SQL Assessment to Boost Your Career

What’s an SQL assessment and why would you need one? Where can you find a free and reliable gauge of your SQL skills? Find out in this article. In today's data-driven world, proficiency in SQL is more than just a skill—it's necessary. Whether you're looking to explore and analyze data to derive actionable insights or to store, manage, and optimize data in a relational database, having a solid foundation in SQL can significantly boost your resume.
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19 Oct 2023
Tihomir Babic

Top 29 SQL Server Interview Questions

Looking for an SQL Server job? Review these 29 must-know SQL Server interview questions and you’ll be well-prepared. And don’t worry about looking up the answers – we provide them, too! Microsoft SQL Server's first version was released in 1989 and has a rich history. It has come a long way since then, becoming one of the most used database engines in the data industry. In the last ten years, it’s been the third most popular database engine.
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17 Oct 2023
Nicole Darnley

How to Create Your Own Database to Practice SQL

Welcome to the step-by-step guide to creating your own SQL database from scratch, designed with beginners in mind. This guide helps you set up your database and also introduces you to essential SQL practice exercises to get you started on your learning journey. Follow along to gain SQL hands-on practice and foster a deep understanding of SQL functionalities. Everyone has a different style of learning, but one thing we all need is SQL hands-on practice.
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12 Oct 2023
Dominika Florczykowska

What Does ORDER BY 1 Mean in SQL?

Have you ever seen the "ORDER BY 1" syntax in SQL queries and wondered what it means? In this article, we'll explore this syntax, clarify its purpose, and make it easier to grasp. Whether you're an experienced SQL user or just starting to explore this language, you've likely encountered the ORDER BY clause before. In SQL, the ORDER BY clause is used to sort the rows in a table based on one or more columns.
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10 Oct 2023
Martyna Sławińska

5 Easy SQL INNER JOIN Examples for Beginners

Looking for a clear explanation of joins in SQL? Check out these five INNER JOIN examples! In SQL, INNER JOINs can be difficult for beginners to master. But once you start working with them, you’ll learn they’re very useful! Let’s discuss five examples of SQL INNER JOINs. But first, let’s do a quick review of why JOINs matter. In relational databases, data is organized and stored within tables. Each table represents a specific type of information.
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