Practical SQL for Data Analysts and Data Scientists

Working with data efficiently requires a solid command of SQL, the standard query language across data analytics and data science. This practical text-based course covers core concepts and querying techniques used in daily data workflows. You will start with key terminology, database architecture basics, and foundational syntax before moving into analytical queries. What you will learn: Understand fundamental relational database concepts, tables, and standard SQL syntax; Write clean query statements using filtering, grouping, and multi-table joins; Apply analytical tools such as window functions and Common Table Expressions (CTEs); Perform data cleaning and transformations with string and conditional logic functions; Optimize query execution patterns for better performance with large datasets. The course guides you step-by-step through clear written explanations and practical query examples. It is designed for beginners and aspiring data professionals with no prior database experience required. Begin reading today to build practical SQL skills for your data career.