The latest articles on DEV Community by Kunal Yadav (@kunalydv2000). https://dev.to/kunalydv2000 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3961451%2F71b4adef-40e0-41a9-8bfc-c55ff080746d.png https://dev.to/kunalydv2000 en Kunal Yadav Sun, 31 May 2026 16:56:07 +0000 https://dev.to/kunalydv2000/i-built-a-complete-sql-learning-roadmap-beginner-to-advanced-for-aspiring-data-analysts-932 https://dev.to/kunalydv2000/i-built-a-complete-sql-learning-roadmap-beginner-to-advanced-for-aspiring-data-analysts-932 <p>As someone preparing for a career in Data Analytics, I noticed that most SQL resources either focus only on the basics or jump too quickly into advanced concepts.</p> <p>To solve this, I started building a structured SQL learning repository that takes learners from absolute beginner level to advanced SQL concepts used in real-world analytics and database environments.</p> <h2> Why I Created This Repository </h2> <p>When learning SQL, I faced several challenges:</p> <ul> <li>Scattered learning resources</li> <li>Lack of a clear roadmap</li> <li>Limited real-world analytics examples</li> <li>Difficulty finding interview-focused content</li> </ul> <p>I wanted a single repository that could serve as a complete learning path for:</p> <ul> <li>Data Analysts</li> <li>Business Analysts</li> <li>BI Developers</li> <li>Data Engineers</li> <li>Students preparing for interviews</li> <li>Anyone starting their SQL journey</li> </ul> <h2> What the Repository Covers </h2> <h3> SQL Fundamentals </h3> <ul> <li>Introduction to Databases</li> <li>DBMS &amp; RDBMS</li> <li>SQL Basics</li> <li>Data Types</li> <li>Database Objects</li> </ul> <h3> Core SQL </h3> <ul> <li>CREATE TABLE</li> <li>Constraints</li> <li>INSERT</li> <li>SELECT</li> <li>Filtering</li> <li>Sorting</li> <li>Aggregate Functions</li> <li>GROUP BY</li> <li>HAVING</li> <li>UPDATE</li> <li>DELETE</li> <li>ALTER TABLE</li> </ul> <h3> Intermediate SQL </h3> <ul> <li>Joins</li> <li>Subqueries</li> <li>CASE Statements</li> <li>Views</li> <li>Indexes</li> </ul> <h3> Advanced SQL </h3> <ul> <li>Stored Procedures</li> <li>Functions</li> <li>Common Table Expressions (CTEs)</li> <li>Window Functions</li> <li>Transactions</li> <li>Database Design</li> </ul> <h3> SQL for Data Analytics </h3> <ul> <li>KPI Calculations</li> <li>Sales Analysis</li> <li>Customer Segmentation</li> <li>Retention Analysis</li> <li>Cohort Analysis</li> <li>Running Totals</li> <li>Moving Averages</li> </ul> <h3> Interview Preparation </h3> <ul> <li>Frequently Asked SQL Questions</li> <li>Join-Based Problems</li> <li>Window Function Questions</li> <li>Query Optimization Scenarios</li> </ul> <h2> Projects Included </h2> <ul> <li>Student Management System</li> <li>Employee Management Database</li> <li>Sales Analytics Database</li> <li>E-Commerce Analytics System</li> </ul> <p>These projects are designed to help learners apply SQL concepts in practical business scenarios.</p> <h2> Repository Structure </h2> <p>The repository is organized into modules so learners can progress step-by-step without feeling overwhelmed.</p> <p>Each module focuses on a specific SQL topic and is designed to build upon previous concepts.</p> <h2> Current Goal </h2> <p>I'm continuously improving the repository and would appreciate feedback from experienced developers, analysts, and database professionals.</p> <p>Some questions I'd love feedback on:</p> <ol> <li>Which SQL topics should I add next?</li> <li>Are there any important concepts currently missing?</li> <li>What would make this repository more valuable for beginners?</li> <li>Would practice exercises for every module be useful?</li> </ol> <h2> GitHub Repository </h2> <p>🔗 [<a href="https://github.com/kunalydv-2000/Complete-SQL-Course-Beginner-to-Advanced" rel="noopener noreferrer">https://github.com/kunalydv-2000/Complete-SQL-Course-Beginner-to-Advanced</a>]</p> <p>If you're learning SQL, feel free to use the roadmap.</p> <p>Constructive feedback, suggestions, and contributions are welcome.</p> sql github roadmap