Union of Two Arrays

If you want to further your knowledge in data structures and algorithms, or you just started to get ready for Placement preparation. Then you should solve this type of question as basic building blocks.

The Union operation combines the results of two or more queries into a distinct single result set that includes all the rows that belong to all queries in the Union. In this operation, It combines two more queries and removes the duplicates.

So let's clear our purpose.

Objective :
Here,we will lo...