The reason for the difference in output between the two query modes is that Compatible query mode applies relational semantics to the report as it does not contain any dimensional functions.
这两个查询模式的输出出现差异的原因是因为CompatibleQueryMode没有任何维度函数，它只在报告中应用关系语义。
Why not just model the data as a document, which doesn't necessarily fit into a rigid relational model but roughly follows the semantics of a high-level model?
为什么不将数据建模为文档呢？这样可以不用死守严格的关系模式，而只需要大致遵循高级模式的语义。
The semantics of logical models, storage models, and server-side Jazz APIs are all independent of the particular choice of relational database system.
逻辑模型、存储模型和服务器端jazzAPI的语义全都与特定的关系数据库系统选择无关。
Based on the semantics of null values in relational database, the article analyzes the affection of null values when we operate the database.
为了实现不完全信息的处理，以关系数据库中空值的完全语义为基础，阐述空值的存在对数据库操作的影响，并给出几种处理空值的方法。
Only the element of place that means a specific entity in semantics is relational.
只有语义上表实体的处所成分才能被关系化；
Only the element of place that means a specific entity in semantics is relational.
只有语义上表实体的处所成分才能被关系化；
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