What does the appearance of symbols, such as 1 and the infinity - ProProfs
     

What does the appearance of symbols, such as 1 and the infinity symbol, at the endpoints of a relationship line mean in the relationships window?



A. Referential integrity is enforced
B. Referential integrity isn’t enforced
C. An inner join is set
D. An outer join is set

This question is part of MS Access - Final Exam

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3 Answers

C. Snow

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C. Snow, Motivator, MA, California

Answered on Jun 20, 2019

The correct answer to this question is A, Referential integrity is enforced. This is a concept related to relational databases. The concept states that the table and their relationships must always be consistent. Another way to explain referential integrity is that foreign keys must always agree with the primary keys.

In the same token, any primary key must always match the foreign keys. Its purpose is to prevent orphans, as well as keep the sync of references. It prevents any necessary information from being deleted, and the record no longer exists. It would be used in the Microsoft software Microsoft Access.

John Adney

John Adney

Answered on Feb 13, 2017

Referntial integrity is enforced

John Smith

John Smith

Answered on Feb 14, 2017

Referential integrity is enforced

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