Sean Zhang·Feb 23, 2025Understanding HDFS from the Perspective of Supply and DemandThe Hadoop Distributed File System (HDFS) is designed to address the challenges of storing and processing large-scale data efficiently…
Sean Zhang·Feb 23, 2025Understanding Kafka vs RocketMQ from the Perspective of “Supply-Demand”From a supply-demand perspective, demand is driven by the need for low-latency, high-throughput, and scalable data streaming. At the same…
Sean Zhang·Mar 30, 2023How to pass Google Certified Professional Data Engineer ExamI obtained my certifications of GCP Associate Cloud Engineer and Professional Data Engineer with 3 years of work experience and 1 year of…A response icon1A response icon1
Sean Zhang·Jan 28, 2023Python Tips OLD Pythoners Don’t KnowPlease follow and star as this page will be updated in the future.
Sean Zhang·Sep 14, 2022Create your First SSIS Project Step by StepSSIS as an “outdated” ETL tool, is still massively used by organizations. Today we are going to install SSIS and build the first SSIS…
Sean Zhang·Aug 5, 2022BigQuery 102-Practical Use CasesIf you find this article useful, please follow me. I write articles about skills you use in your daily work.
Sean Zhang·Jul 25, 2022Advanced SQL Performance TuningI post articles that are related to daily work and not commonly shown in textbooks. Please follow me or throw me a thumb if you find this…
Sean Zhang·Jul 18, 2022SQL Performance TuningSQL Textbooks teach us how to get the results by writing queries. In the production environment, query execution time matters just as much…A response icon1A response icon1
Sean Zhang·Jun 28, 2021Crack A/B Testing InterviewsAs a data science enthusiast, A/B Testing has always been in my interview questions. In this job-hunting process, I interviewed with TikTok…A response icon1A response icon1