比ひ較かく文も字じ

noun

relation character

Computing term for a character used to represent a relationship between data elements, such as in databases or formal specifications.

• ER図ずでは、エンティティ間かんの関かん連れんを比ひ較かく文も字じで表あらわすことがある。

  In ER diagrams, relationships between entities are sometimes represented using relation characters.