Foundations of Relational Databases (RDBMS)

Every modern application and data pipeline relies on structured data storage. Understanding how relational databases work is the essential first step for anyone aspiring to work in software development, data analysis, or data engineering. In this course, you will transition from a complete beginner to confidently understanding how relational database management systems (RDBMS) organize, secure, and retrieve data. You will gain a clear mental model of database architecture and learn how to interact with industry-standard systems like PostgreSQL and MySQL. What you'll learn: - Learn core relational database concepts, tables, schemas, and relational keys. - Write structured SQL queries to retrieve, filter, sort, and aggregate data. - Design efficient database schemas using normalization best practices. - Apply indexing strategies to optimize query performance and speed up data retrieval. - Explore the differences and use cases for major relational databases like PostgreSQL and MySQL. - Understand modern cloud database deployment patterns and basic connection management. The course starts with foundational definitions and key terminology before moving into practical SQL syntax and database design. You will progress from writing simple queries to understanding database optimization and architectural patterns through written explanations and code examples. This text-based course is designed for absolute beginners with no prior database or programming experience. Start reading today to build a solid foundation in relational database technology.