Spark Engine - (Operations | Functions )

1 - About

Operations are divided into transformations and actions.

Transformations are pipelined function (producing the same input type), and actions trigger computation and return results.

Transformation functions are saved and computed only when an action function is called. It permits to do optimizations.

3 - List

Transformation Action
select show
distinct count
groupBy collect
sum save
orderBy
filter
limit

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