Relational Database Design and Advanced SQL Management

Managing relational databases effectively is a core requirement for modern software development and data engineering. This written course provides a comprehensive introduction to database architecture, schema design, and query optimization. You will read clear explanations and review code examples to master foundational and practical database concepts. What you'll learn: Understand relational database principles, data modeling, and normalization; Write complex SQL queries using JOINs, subqueries, and window functions; Implement indexing strategies to optimize query execution and search performance; Manage database transactions, concurrency, and data integrity guarantees; Work with views, stored logic, and modern JSON data handling inside SQL databases; Apply best practices for analyzing execution plans and improving query speed. The course begins with essential database terminology and structural concepts before guiding you through querying, index optimization, and transaction handling. Designed for beginners and early-career IT practitioners, no prior database experience is necessary. Read through the text-based modules and start building robust database skills today.