What is depicted here?

Question

BlackTom AI · Accepted Answer

The prompt presents a question about identifying the type of relationship depicted. 
Option 1: 'Unique relationship.' This suggests a relationship that is singular or one-of-a-kind, but the standard terminology in data modeling distinguishes between unary, binary, and other n-ary relationships rather than calling something 'unique.' Therefore this option is not aligned with the common classification terms.
Option 2: 'Unary relationship.' This is the accepted term for a relationship where a single entity type is related to itself, such as a person who is a manager of another person within the same set. If the depicted diagram shows a single entity connected back to itself without involving a different entity type, then 'unary' is the correct descriptor.
Option 3: 'Binary relationship.' This term describes a relationship between two distinct entity types or two instances of the same type but connected across two roles, often illustrated with two boxes and a line between them or two entity sets. If the image shows only one entity type with a self-connection, this would be incorrect for a unary case.
In summary, the key distinction hinges on whether the relationship loop involves one entity type relating to itself (unary) versus two different entity types or instances (binary). Given the provided correct answer, the depicted diagram corresponds to a unary relationship, where an entity relates to itself in a single-entity context.

BUSI_V 335 972 2025SS BUSI 335 FINAL Practice Exam (US Electricity)

What is depicted here?

查看解析

登录即可查看完整答案

类似问题

The relationship type that is most supported by any relational databases is:

What command allowed you to add tables in the relationship window?

What type of relationships did you build between the tables?

Before you create a relationship, you [选择] delete build move all your tables.

In the database you have built, you need to create a relationship between two fields in two tables. Field 1 in Table A has the Number Data Type and Field 1 in Table B has the Currency Data Type. Will you be able to build a relationship?

What kind of relationship does the following image represent?

Which of the following correctly defines a relationship in which each record of one table is represented by only one record of data in the other table and vice versa?

What does a one-to-many (1:M) relationship in an Entity-Relationship Diagram (ERD) indicate?

更多留学生实用工具

考试浏览器助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单