Power Query - Reduce Data Model Size, Transformations to Columnar Database Size
Learn essential Power Query transformation techniques to optimize data model size and improve efficiency in this 25-minute tutorial. Explore strategies for reducing columnar database size when working with big data for business intelligence and data analysis. Discover how to apply concepts of columnar database storage to make informed decisions about tables, columns, and transformations in your final data model. Follow along as the instructor demonstrates importing and manipulating a large CSV file from a government website, filtering rows, removing columns, reducing column cardinality, and creating relationships. Create measures using DAX functions, build a dashboard with pivot tables and slicers, and learn how to effectively present data insights. Gain practical skills to enhance your Microsoft Power Tools for Data Analysis proficiency and streamline your data modeling process.