Learn essential SQL Window Functions in this 23-minute conference talk from OSACon that explores powerful techniques for data analysis in relational databases. Master the fundamentals of window definitions and advance into practical applications like rankings, quartile calculations, and aggregate functions. Discover how to effectively group and analyze rows to calculate running totals, track sales trends, and measure departmental metrics. Gain valuable insights for processing numerical data in MySQL or PostgreSQL databases, making this essential viewing for database professionals and analysts who need to perform advanced data aggregation and analysis.