SQL Development for MySQL and PostgreSQL

Modern applications rely on data, and SQL is the universal language used to communicate with relational databases. Understanding how to interact with data is a fundamental skill for anyone working in software development, data analysis, or system administration. You will go from understanding basic data concepts to writing complex queries and designing robust database schemas. By the end of this course, you will be able to structure databases and retrieve information with precision using industry-standard syntax applicable to various database environments. What you'll learn: - Understand core database concepts and relational theory basics - Master CRUD operations to create, read, update, and delete records - Write complex queries using JOINs, aggregations, and subqueries - Design efficient database schemas with primary and foreign keys - Apply advanced techniques like Common Table Expressions (CTEs) for cleaner code - Manage data integrity with constraints and modern data types like JSON - Practice basic performance optimization through indexing strategies The course begins with foundational terminology and core definitions before moving into hands-on query logic and structural design. You will progress through written explanations and code examples that highlight the nuances between different database systems. This course is designed for absolute beginners. No prior programming or database experience is required to start. Start your journey into the world of data management today.