Spark with Scala Course - #12 Window Functions

Apache Spark with Scala Course: From Beginner to Pro
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In this video, we will explore window functions to provide us with a partitioned and sorted view over a DataFrame to retrieve all columns after a grouped operation.
00:00 Intro & Outline
01:04 What are window functions
01:58 Using window functions to group data
05:31 How is a window different than a groupBy?