V2EX one-to-many

One-to-Many

释义 Definition

one-to-many 是一个形容词短语,表示"一对多"的关系,即一个事物与多个事物之间存在对应或关联。常用于数据库、通信、教育等领域,描述一个源头对应多个目标的结构或模式。

发音 Pronunciation

/wn t mni/

例句 Examples

In a one-to-many relationship, a single teacher can have many students.
在一对多的关系中,一位老师可以有许多学生。

The database schema uses a one-to-many mapping between the "authors" table and the "books" table, meaning each author can be linked to multiple published works.
该数据库架构在"作者"表和"书籍"表之间采用了一对多的映射关系,即每位作者可以关联多部出版作品。

词源 Etymology

one-to-many 是一个由 onetomany 组合而成的复合形容词。onemany 均源自古英语,to 在此处表示对应关系。这个短语最早在20世纪中后期随着关系型数据库理论的发展而被广泛使用,特别是在 E.F. Codd 于1970年提出关系模型之后,one-to-may 成为描述数据表之间关系的标准术语。在更广泛的语境中,它也被用于通信学(一个发送者对多个接收者)和教育学等领域。

相关词汇 Related Words

文学与学术引用 Literary & Academic References

  • E.F. Codd, A Relational Model of Data for Large Shared Data Banks (1970) 关系型数据库的奠基论文,系统阐述了包括 one-to-many 在内的数据关系类型。
  • C.J. Date, An Introduction to Database Systems 数据库领域经典教材,详细讲解了 one-to-many 关系在数据库设计中的应用。
  • Martin Fowler, Patterns of Enterprise Application Architecture (2002) 在讨论对象关系映射(ORM)时,大量使用 one-to-many 来描述实体间的关联模式。
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