BI Analyst Fundamentals: SQL, Power BI, Tableau, and DataLens

Every modern business generates massive amounts of data, but this information is only valuable when translated into clear, actionable insights. Organizations across all industries rely on Business Intelligence analysts to bridge the gap between raw databases and strategic decision-making. This comprehensive written course guides you through the essential tools and methodologies of modern data analysis. You will learn how to extract data using SQL, design robust data models, and build high-impact dashboards across three of the industry's most popular BI platforms, preparing you to solve real-world analytical challenges. What you'll learn: - Understand fundamental BI concepts, data warehousing basics, and modern data modeling principles like star schemas. - Write SQL queries to retrieve, filter, aggregate, and join data from relational databases. - Build interactive reports in Power BI using data transformation tools and basic expressions. - Create compelling visual stories and worksheets in Tableau using calculations and parameters. - Configure cloud-based visualizations and charts using Yandex DataLens for rapid reporting. - Apply dashboard design best practices, focusing on user accessibility, clear layout hierarchy, and performance. The course begins with foundational database concepts and SQL query techniques before transitioning into step-by-step written guides for building reports in Power BI, Tableau, and DataLens. This course is designed entirely for beginners, requiring no prior experience in programming, databases, or data analysis. Start reading today to build the foundational skills needed for a successful career in business intelligence.