元数据管理系统是构建、管理、维护和使用数据仓库系统的核心部件。
Metadata management system is the core of construction and management and maintenance and use data warehouse system.
文中详细介绍了数据仓库的建模、数据抽取与转换、数据存储与管理、元数据管理以及可视化数据分析等技术。
The technologies of data warehouse modeling, data extraction and transformation, data storage and management, metadata management, and visualized data analysis and so on are introduced in detail.
以包钢营销分析数据仓库的构建为背景，对其主题确定、数据结构、数据处理技术、元数据管理提出了解决方案。
Based on the construction of marketing decision analysis data warehouse, a solution of determining subjects, designing data structures, processing data and managing metadata is put forward.
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