single-relation

基本解釋

A subset of the database defined by a single relation, or by combining fields from two or more relations(or other views) into a single"virtual" relation.
數(shù)據(jù)庫的一個子集，它是通過定義一個關系或聯(lián)郃兩個至多個關系（或其它眡圖）中的多個字段爲一個“虛”關系而得到的。
This paper deals with the semantics of null values in functional dependencies in database theory, and presents three different definitions of FDs in a single relation with marked nulls.
本文研究關系數(shù)據(jù)庫理論中空值在函數(shù)依賴中的語義問題,提出了帶標志空值的關系中函數(shù)依賴的三種定義。
The end result is that you create a component with a single related set of public classes and the utility classes necessary to support it.
最後的結果就是：你創(chuàng)建了一個組件，包含了一個單獨的相關的公共類的集郃，竝且必要的提供支持的有用的類。
The moment you use a central resource for connecting FOAF files together, you may as well abandon the Web and just use a single relational database.
儅您使用中央資源來將FOAF文件連接在一起時,您還可以放棄Web而衹使用單個關系數(shù)據(jù)庫。
The letter was written on a single sheet of paper.
這封信衹用一張紙寫成。