relational data model中文什么意思

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The importance of order in xml contrasts sharply with the absence of intrinsic order in the relational data model
Xml中次序的重要性與關系數(shù)據(jù)模型中缺少固有次序形成了鮮明對比。
It systems organize meanings using relational data models , flat files , object - oriented models , or proprietary data models
It系統(tǒng)用關系數(shù)據(jù)模型、扁平文件、面向對象模型或專用的數(shù)據(jù)模型來組織意義。
Data is the basis of sanulation . relational data model and ~ al datu modl are described , and its realhation is discussed , too
數(shù)據(jù)是仿真的基礎，本文對關系數(shù)據(jù)與空間數(shù)據(jù)模型進行了描述，并討論了它們的實現(xiàn)。
From time to time , the demands of changing business needs require that you add new entities and relationships to the relational data models or object - oriented models
變化的業(yè)務需求不斷地要求向關系數(shù)據(jù)模型或面向對象模型中添加新實體和關系。
Since the data warehouse is still mostly in a relational data model style , it is best to advise your customer to build business reports from data marts
因為數(shù)據(jù)倉庫幾乎仍然都是關系數(shù)據(jù)模型類型的，所以最好是建議您的客戶從數(shù)據(jù)集市構建業(yè)務報表。