Foundations of Relational Databases and SQL

Data is the backbone of modern software and business intelligence, making database management one of the most essential skills in technology. This course provides a clear path for understanding how relational systems work and how to interact with them using industry-standard tools. You will transform your understanding of data from simple spreadsheets into robust relational structures, gaining the ability to design, query, and manage databases that scale. This course emphasizes logical design and precise data retrieval techniques used by developers and analysts worldwide. What you'll learn: - Understand the relational model and foundational database terminology - Design efficient database schemas using normalization and key constraints - Write SQL queries to filter, sort, and aggregate data across multiple tables - Apply data modification commands to safely insert, update, and delete records - Implement modern SQL patterns like Common Table Expressions for complex logic - Manage data integrity through ACID properties and transaction basics The course begins with essential definitions and relational theory, providing a solid conceptual base before moving into practical SQL syntax and database design exercises. You will progress through written explanations and code-based scenarios that simulate real-world data challenges. This course is designed for absolute beginners who want to learn database management from the ground up, with no prior technical experience required. Start building your data expertise through structured reading and practical written exercises.