Spark Union Function

In Spark, Union function returns a new dataset that contains the combination of elements present in the different datasets.

Example of Union function

In this example, we combine the elements of two datasets.

• To open the spark in Scala mode, follow the below command.

• Create an RDD using parallelized collection.

• Now, we can read the generated result by using the following command.

• Create another RDD using parallelized collection.

• Now, we can read the generated result by using the following command.

• Apply union() function to return the union of the elements.

• Now, we can read the generated result by using the following command.

Here, we got the desired output.