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Author Question: The primary key for 1:1 relationship tables (Read 20 times)

pepyto

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Question 1

When assigning attributes to each table,
◦ the database designer must interview users to identify which facts should be included in the database.
◦ the database designer must interview management to identify which facts should be included in the database.
◦ the database designer must use the REA diagram to help determine in which tables those facts belong.
◦ the database designer must do All of these.

Question 2

The primary key for 1:1 relationship tables
◦ is a single attribute.
◦ always consists of two attributes.
◦ is the primary key of the most important entity linked to that relationship.
◦ does not exist. Many-to-many relationship tables only use foreign keys.


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Marked as best answer by pepyto on Apr 8, 2019

Koolkid240

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pepyto

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Reply 2 on: Apr 8, 2019
Wow, this really help


steff9894

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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