基于元数据的映射方法证实是PetStore应用程序更加节省时间的方法。
The metadata-based mapping approach proved to be more time-efficient for the PetStore application.
在使用基于OLAP的程序包时，以不同的、并非根据元数据的等级结构定义的顺序映射来自同一等级结构的级别的报表将产生以下错误。
When using OLAP based packages, reports which project levels from the same hierarchy in a different order than defined by the hierarchal structure of the metadata will produce the following error.
在使用基于OLAP的程序包时，以不同的、并非根据元数据的等级结构定义的顺序映射来自同一等级结构的级别的报表将产生以下错误。
When using OLAP based packages, reports which project levels from the same hierarchy in a different order than defined by the hierarchal structure of the metadata will produce the following error.
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