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词汇 Relational data model
分类 英语词汇 英语翻译词典
释义

Relational data model

中文百科

关系模型 Relational model

（重定向自Relational data model）
Diagram of an example database according to the relational model[3]
In the relational model, related records are linked together with a
Relational model concepts.

用于数据库管理的关系模型（英语：Relational model）是基于谓词逻辑和集合论的一种数据模型，广泛被使用于数据库之中。最早于1969年由埃德加·科德提出。

英语百科

Relational model 关系模型

（重定向自Relational data model）
Diagram of an example database according to the relational model[3]
In the relational model, related records are linked together with a
Relational model concepts.

The relational model (RM) for database management is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in 1969 by Edgar F. Codd. In the relational model of a database, all data is represented in terms of tuples, grouped into relations. A database organized in terms of the relational model is a relational database.
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