(This course is divided into two parts: the first part introduces the Greenplum database in any depth, including architecture features, deployment, management, development and tuning, from the simple to the deep, combining theory with practice, so that any student can fully master this big data sword. The second part describes the architecture principle of Hadoop in depth, and the overall technical architecture of Hadoop, including the actual use of HBase, Hive, Pig, ZooKeeper, Chukwa, etc. In addition, it introduces the basic knowledge of cloud computing and the use of Hadoop in the cloud computing field, and analyzes the use of Hadoop in the business environment of various Internet giants.)