【摘要】 数据集市可为用户提供部门级的决策分析依据,而数据转换是用户能否从数据集市中得到高质量信息的前提和保证。为此,在对数据转换技术进行分析研究的基础上,针对独立型数据集市的特点提出了基于维度的数据转换模型,详细讨论了基于维度模型的独立型数据集市数据转换的内容及数据转换的技术支持。更多还原

【Abstract】 Data mart can supply analytical data for user’s decision-making on department level,in which data transformation is the precondition and guarantee to get high quality data from it.After studying and analyzing the data transformation techniques,a data transformation model based on dimensionality is proposed,and the contents and technical support of data transformation in independent data mart are discussed carefully based on dimensionality model.更多还原