Ji Han (English name: Ji Han) is an author about whom limited public information is available. The library currently holds only one work by this author, namely Spark SQL: A Beginner's Guide to Practice. Judging from this representative work, the author's writing focuses on computers and data processing, specifically around Spark SQL, a tool for large-scale data querying and analysis, in a beginner-oriented, practice-guided format. The book is intended for readers who wish to understand and get started with Spark SQL, balancing basic concepts with hands-on operation, and can be broadly classified under computing, artificial intelligence, and theoretical knowledge. Since the author's dates of birth and death, nationality, and other personal details are not clearly recorded, this profile makes no inferences about them; the current understanding of the author rests mainly on the technical themes and practical orientation shown in the work, which aims to help readers build an initial understanding of the technology and put it into practice.
