# Introduction Welcome to the futuristic world of Virtual Reality (VR), where technology and imagination merge to create immersive experiences like never before. You are a VR Game Host, responsible for designing and maintaining captivating virtual environments that transport players to realms beyond their wildest dreams. Your latest project is to create a VR game that simulates the vast expanse of the universe, allowing players to explore distant galaxies, uncover cosmic mysteries, and unravel the secrets of the cosmos. However, to achieve this ambitious endeavor, you need to harness the power of Big Data and leverage the capabilities of the Hadoop ecosystem. In this lab, you will delve into the world of Hadoop User Defined Functions (UDFs), a powerful feature that allows you to extend the functionality of Hive, the data warehouse component of Hadoop. By mastering UDFs, you can create custom functions tailored to your game's unique requirements, enabling you to process and analyze astronomical data with unprecedented efficiency and accuracy.
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