Apache Spark 3 for Data Engineering and Analytics with Python - Challenge XYZ Research Part 2

The video tutorial covers solving two questions related to project completion using data sets. The first question involves determining projects completed in the first year by subtracting data sets. The second question requires finding projects completed in the first two years using union transformation and subtraction. The tutorial concludes with a summary and encourages viewers to practice further.

What transformation is used to find the projects completed in the first two years?

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What is the final outcome of the operations performed in the lesson?

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