Cowritten by Ralph Kimball, the world's leading data warehousing authority, whose previous books have sold more than 150,000 copiesDelivers real-world solutions for the most time- and labor-intensive portion of data warehousing-data staging, or the extract, transform, load (ETL) processDelineates best practices for extracting data from scattered sources, removing redundant and inaccurate data, transforming the remaining data into correctly formatted data structures, and then loading the end product into the data warehouseOffers proven time-saving ETL techniques, comprehensive guidance on building dimensional structures, and crucial advice on ensuring data quality

由世界领先的数据仓库管理机构拉尔夫·金博尔（Ralph Kimball）共同撰写，其之前的著作已售出超过150000本。为数据仓库中最耗时、最费力的部分—数据暂存或提取、转换、加载（ETL）提供了真实世界的解决方案Process描绘了从分散的数据源提取数据、删除冗余和不准确数据、将剩余数据转换为正确格式的数据结构，然后将最终产品加载到数据仓库的最佳实践提供了经验证的节省时间的ETL技术、构建维度结构的全面指导，以及确保数据质量的关键建议