single-relation

基本解释

• n.单一关系

同根派生

• single-relation相关词

英汉例句

• 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.
  数据库的一个子集，它是通过定义一个关系或联合两个至多个关系（或其它视图）中的多个字段为一个“虚”关系而得到的。
• 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.
  本文研究关系数据库理论中空值在函数依赖中的语义问题,提出了带标志空值的关系中函数依赖的三种定义。
• 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.
  最后的结果就是：你创建了一个组件，包含了一个单独的相关的公共类的集合，并且必要的提供支持的有用的类。
• 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.
  当您使用中央资源来将FOAF文件连接在一起时,您还可以放弃Web而只使用单个关系数据库。
• The letter was written on a single sheet of paper.
  这封信只用一张纸写成。

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