SQL Beyond the Basics: Database Design and Window Functions

Ready to move past basic SELECT statements and start building and analyzing databases like a professional? To solve real-world data challenges, you need to know how to structure tables efficiently and perform complex analytical queries.\n\nThis written course guides you from basic query writing to database design and advanced analysis. You will learn how to plan relational schemas, write elegant window functions, and optimize your queries for maximum performance.\n\nWhat you'll learn:\n- Understand core relational database design principles and normalization techniques\n- Create and modify database tables using structured Data Definition Language (DDL)\n- Master window functions to perform running totals, rankings, and moving averages\n- Write Common Table Expressions (CTEs) to simplify complex query structures\n- Apply indexing strategies to speed up slow-running queries and optimize database performance\n- Analyze real-world datasets using advanced analytical patterns and best practices\n\nWe begin with foundational database design concepts before moving on to hands-on SQL syntax, schema creation, analytical functions, and optimization tips. The entire material is presented through clear, written explanations and practical query examples you can read and apply immediately.\n\nThis course is designed for learners who already know basic SQL queries and want to transition into database design and advanced analysis. No advanced math or programming experience is required.\n\nStart writing more powerful, optimized SQL queries today.