Back to articles list Articles Cookbook
6 minutes read

Free Course of the Month: Blog & Traffic Data

Why practice SQL with real-life scenarios? We'll explain in this article – and we’ll show how you can do it for free during October 2023 with this course!

SQL is the backbone of many data-driven applications and businesses. It's a powerful language that allows you to interact with databases, retrieve data, and make insightful decisions. If you're looking to improve your SQL skills, our Basic SQL Practice: Blog & Traffic Data course is the perfect opportunity. It's our Course of the Month for October 2023. Yes, that means it's totally free!

Why are we offering this course for free? We believe in the continuous growth of our users. We've been providing free online SQL courses each month, allowing everyone to have full free access to a selected course. A month is usually enough time to grasp the given SQL topic thoroughly.

We aim to support you in your journey to enhance your SQL skills. Ready to level up? Practicing SQL with real-life scenarios will help you get there!

Basic SQL Practice: Blog & Traffic Data

How do you get this free PostgreSQL course in October  2023?

SQL Practice with Blog & Traffic Data

The exercises in the course are based on a database that tracks blog traffic for a pet supply store. This database contains information about the articles published on the blog, their authors, daily article traffic, and user traffic from the articles to specific product pages.

This course includes 141 interactive exercises to help you learn SQL. It's designed so that you can finish in about 20 hours – giving you lots of practice with different SQL topics. If you’re still getting used to learning SQL online, here are some tips on how to learn easier and faster:

All the tasks in the course help learners apply their SQL skills. You’ll be analyzing the popularity of blog articles, evaluating the quality of the authors’ work, and assessing the effectiveness of article-driven product promotions.

Basic SQL Practice: Blog & Traffic Data

This awesome SQL resource offers an interactive learning experience, allowing you to write SQL queries and solve challenges directly in your web browser. The platform executes the SQL code and validates the solutions, providing immediate feedback. This hands-on approach, combined with the real-world application of the exercises, makes this course a practical and effective way for beginners to practice and improve their SQL skills.

Get Some Basic SQL Practice in PostgreSQL

The real key to mastering SQL lies in practice. It’s just like learning a new spoken language: The more you use SQL, the more fluent you become. Regular SQL practice helps you understand the nuances of the language, making you more adept at writing efficient queries.

Practicing SQL not only reinforces your understanding of the basics, but it also helps you tackle more complex queries with confidence. Whether it's manipulating data with advanced functions, optimizing queries for better performance, or creating intricate reports, online SQL practice makes perfect. It allows you to learn, make mistakes, and improve in a safe environment. It's through this process of trial and error that you truly learn.

SQL practice is the cornerstone of becoming proficient in working with databases. It's the bridge between theoretical knowledge and practical application, helping you become a valuable asset in any data-driven organization. So whether you're just starting your journey with SQL or looking to level up, remember the golden rule – practice, practice, and practice some more!

If you're keen on practicing SQL, an interactive online SQL course is the way to go. The ones offered by provide a hands-on approach to learning. You'll be able to write and run SQL queries in real-time, making the learning process more engaging and effective.

What Will You Learn in This Course?

This course is built to give you some experience in crafting realistic SQL reports, a key skill for anyone working with data. Creating detailed reports is a fundamental part of data analysis and can boost your worth in any organization that relies on data. The course focuses on practical scenarios, allowing you to use your SQL knowledge in real-life situations. This helps strengthen your grasp of SQL and boosts your confidence in using it.

In this SQL course, you will practice:

  • Writing basic SELECT queries to retrieve information from a single table.
  • Filtering data with WHERE by using numeric comparison operators, text patterns, and Boolean conditions and then combining them with AND, OR, and NOT.
  • Sorting query results in ascending or descending order with ORDER BY.
  • Combining data from multiple tables using JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
  • Composing complex queries incorporating multi-table JOINs.
  • Grouping data with GROUP BY and calculating statistics by applying the aggregate functions COUNT(), AVG(), SUM(), MIN(), and MAX().
  • Using mathematical functions to perform simple calculations in SQL.
  • Handling NULL in SQL queries using the IS NULL and IS NOT NULL operators.
  • Writing subqueries, including correlated subqueries.
  • Combining all basic SQL features in a challenging advanced queries section.

The syntax of SQL can be complex and difficult to remember, so practice is key to mastering it and becoming comfortable with creating complex reports. And remember, this course is totally free! Just log in and start learning!

To fully benefit from our free Basic SQL Practice: Blog & Traffic Data course this October, it's essential that you understand core SQL concepts. Everything you need to know can be acquired through our SQL Basics course. After finishing that, come back here and use what you've learned in this practice course!

Who Should Take This Course?

This course is an excellent fit for beginners who understand the basics of SQL and are looking to get some additional practice. Its practical approach helps solidify the foundational knowledge and skills needed to effectively use SQL.

It's also a valuable resource for those preparing for job interviews that require SQL skills. The practical exercises offered in this course can help candidates feel more confident and prepared when facing technical interview questions about SQL.

Basic SQL Practice: Blog & Traffic Data

Students studying databases or computer science can also greatly benefit from this course. It offers a practical way to apply theoretical knowledge, which can be especially helpful when preparing for exams.

The course is also designed to assist bloggers who may be struggling with data analysis, as well as marketing managers and analysts who need to analyze website traffic data as part of their job responsibilities. If you're someone who's eager to learn and practice SQL, this course is for you!

Free SQL Course for October 2023 – Basic SQL Practice: Blog & Traffic Data

Acquiring SQL skills can be a game-changer for your career. SQL, being the universal language for database management, is an essential skill across various professions, from data analysts and data scientists to software engineers and marketers. Having a solid understanding of SQL can give you a competitive edge in job applications and interviews. It could be the key to landing your dream job.

And here's the best part – our October 2023 SQL Course of The Month is completely free!

So, why wait? Continue your learning journey today and elevate your SQL skills with our Basic SQL Practice: Blog & Traffic Data course!