The Huawei Cloud Data Warehouse Service (DWS), an enterprise-grade on-cloud data warehouse product launched by Huawei Cloud, is a distributed parallel database kernel that took six years to build, and has been tested in hundreds of commercial offices under the cloud, with features such as high reliability, high performance, low cost, security, and ease of use, etc. The official commercialization of the DWS marks the launch of Huawei's Distributed OLAP Database technology to users in a comprehensive manner, helping enterprise users easily build a data warehouse on the cloud. The official commercialization of DWS marks the launch of Huawei's distributed OLAP database technology to users, helping enterprise users to easily build data warehouses on the cloud and quickly cash in on data assets.