In this lesson, you’ll learn the core MySQL commands every data engineer needs to query, manipulate, and manage relational databases effectively. We’ll cover commands for creating and modifying tables, inserting and updating data, filtering and sorting results, and joining multiple datasets. You’ll also explore common aggregate functions, indexing, and best practices for writing efficient SQL queries. By the end, you’ll be able to confidently use MySQL to extract insights, maintain data integrity, and support data pipelines in real-world engineering projects.