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Introduction: Unleashing the Potential of Window Functions
Window functions are a powerful feature in PostgreSQL that can revolutionize how you analyze and manipulate data. In this in-depth guide, we’ll take you on a journey through advanced window functions, focusing on the intricacies of window frames. By the end of this exploration, you’ll be equipped to tackle complex analytical queries with confidence.
Section 1: Window Functions Recap
Before diving into advanced topics, let’s revisit the basics of window functions. We’ll cover the essential concepts like PARTITION BY, ORDER BY, and the OVER clause.
Section 2: Introducing Window Frames
Window frames are a game-changer. We’ll introduce you to this concept, explaining how you can define custom windows within your result set to perform more advanced calculations.
