Spark SQL - Analytics and Windowing Functions


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Originally published at: https://kaizen.itversity.com/topic/cca175-spark-sql-analytics-and-windowing-functions-scala/

Analytics functions and windowing functions provides powerful query mechanisms. Typically uses over clause along with partition by or order by or both Aggregations can be performed Ranking per partition can be easily achieved Moving averages can be implemented with windowing functions Aggregations Ranking Windowing Functions