1 Feb 2024 Jakub Romanowski Free Course of the Month – Common Functions in PostgreSQL Do you want to be able to use popular PostgreSQL functions and process different types of data more easily? You've come to the right place! Here is the Common Functions in PostgreSQL course. Throughout the month of February, this SQL course is absolutely FREE! You are probably wondering why LearnSQL.com is offering a free SQL course. Well, we've been doing this for a long time. We choose one of our courses every month and give users free access to it. Read more 25 Jan 2024 Jakub Romanowski Your Complete Guide to SQL JOINs (with Resources) This detailed guide covers all important SQL JOIN topics, from basic concepts to advanced techniques. Bookmark this guide for future reference – it’s packed with useful resources and guides to help you work with JOINs effectively. SQL JOINs are essential in SQL and data analysis, as they let you combine data from different tables into a unified view. In this article, I've gathered everything you need to know about SQL JOINs. Read more 4 Jan 2024 Jakub Romanowski Analyzing Social Media Data with SQL Diving into the world of SQL social media analysis? This guide will help you start using SQL to analyze and interpret data from social media platforms. Get ready to transform your approach to digital data and unlock new possibilities in social media analytics! Welcome to the exciting world of SQL and social media analysis! If you're new to this field, you're about to discover how powerful a tool SQL can be in understanding the vast sea of data generated on social media platforms every day. Read more 1 Jan 2024 Jakub Romanowski Free Course of the Month: Basic SQL Practice - Running Kick off the new year and enhance your SQL skills with January’s free Course of the Month, Basic SQL Practice: Run Track Through Queries! As the new year unfolds, it's a time for reflection and the setting of new goals. A popular resolution among professionals and students alike is to acquire new skills or deepen existing ones. Whether it's learning a new language, mastering a software tool, or enhancing your job qualifications, the start of a new year provides a fresh opportunity for personal and professional growth. Read more 7 Dec 2023 Jakub Romanowski Free SQL Courses to Elevate Your Skills In this article, I'll explain why LearnSQL.com offers free SQL courses. I’ll also introduce you to some of the courses we’ve offered for free over the years. If you're eager to enhance your SQL skills without breaking the bank, you've come to the right place. You're here because you understand the significance of learning SQL. But are you tired of those lengthy YouTube tutorials? How about diving into an online SQL course? Read more 1 Dec 2023 Jakub Romanowski Free Course of the Month – Basic SQL Practice: A Store This December, seize the opportunity to learn and practice SQL for free with our Basic SQL Practice: A Store course. Designed for an interactive and hands-on learning experience, this course starts with SQL basics and guides you through crafting queries that underpin business intelligence. Ready to get a grip on the fundamentals of SQL and dive into practical database management? Our December Course of the Month, Basic SQL Practice: A Store, is your perfect match! Read more 14 Nov 2023 Jakub Romanowski SQL for Human Resources Data is just as important in Human Resources as it is in other business areas. That makes SQL for HR more than just a tool; it's a game-changer. Let's dive into this transformative journey together. In the modern business world, data has become a cornerstone. It drives decisions, shapes strategies, and offers insights that were previously out of reach. Every corner of an organization, every department, is tapping into the potential of data to enhance its operations. Read more 1 Nov 2023 Jakub Romanowski Free Course of the Month: PostgreSQL Customer Behavior Ever wondered how top businesses understand their customers so well? The secret lies in data analysis, and we're offering you the key – for free – in our Customer Behavior Analysis in PostgreSQL course! Are you familiar with the basics of PostgreSQL and eager to delve deeper into customer behavior analysis? Our November 2023 Course of the Month, Customer Behavior Analysis in PostgreSQL, has you covered! And the best part? Read more 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's the bridge between raw numbers and meaningful insights. In this article, I'll explore SQL’s unmatched value in our data-centric era. Let's answer the question: "Why learn SQL?" Every day, businesses and individuals generate and interact with vast amounts of data, seeking insights and solutions. Amidst this data-driven environment, a pressing question arises: Why learn SQL? Read more 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. Read more «« « 1 2 3 4 … 11 » »»