汇总类型 meaning in English
aggregate type
Examples
- Types of us naturalization records - summarizes the types of naturalization records that genealogy researchers can be expected to find
类型美国入籍记录汇总类型入籍记录族谱研究者预计可找到 - There are advantages to the end user even when the udm is constructed only as a thin layer over the data source : simpler , more easily understood model of the data , isolation from heterogeneous backend data sources , and improved performance for summary type queries
即使udm只是作为数据源上的瘦层来构造，对于最终用户而言也有益处：更简单、更容易理解的数据模型，与异构的后端数据源相隔离，并且汇总类型查询的性能也有所提高。