This course aims to overcome the technical limitations practitioners face in vast big data environments and to build systematic data management capabilities through the Hadoop ecosystem. Through this course, students will gain the following core values: Practical Problem Solving: Understand the limitations of existing systems as data scales and learn efficient distributed processing methods using Hadoop. Ensuring Data Stability: Learn practical optimization techniques to safely protect original data through Hive's external table design, even if a table is accidentally deleted. Maximizing Analysis Efficiency: Acquire expert-level skills to freely control and analyze large-scale data using HiveQL without complex programming. Expert Guidance: A knowledge sharer with years of IT education experience and know-how will directly pass on practical skills that can be applied immediately in the field. Join this 30-lecture journey that will transform you into a distinguished data engineer in the massive wave of big data.