Spark with Scala Course - #11 GroupBy, Sort & Aggregations

Apache Spark with Scala Course: From Beginner to Pro
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In this video, we will explore transformations on DataFrames which operate on multiple rows. In particular, we will have a look at groupBy, sort and aggregation functions.
00:00 Intro & Outline
01:44 Using GroupBy
04:49 Using aggregations on a grouped DataFrame
05:57 Using aliases on aggregations
08:26 Sorting rows
09:14 Using shorthands for aggregations