摘要:
一、Oracle BIEE 架构两大任务:1、解释逻辑SQL查询和对适当的数据源写入相应的物理查询;2、对物理结果集进行变换和组合,并执行最终计算。二、Oracle BI资料库中的三层结构1、Physical layerThis layer defines the objects and relationships that the Oracle BI Server needs to write native queries against each physical data source. You create this layer by importing tables, cubes, 阅读全文