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Heff Heff
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6 years ago
When transforming an E-R data model into a relational database design, the key of the parent entity should be placed as part of the primary key into the child entity ________.
A) when the child entity is ID-dependent
B) when the child entity is non-ID-dependent
C) when the child entity has a 1:1 relationship with the parent entity
D) when the child entity has a 1:N relationship with the parent entity
E) when the child entity has a recursive relationship with the parent entity
Textbook 
Database Concepts

Database Concepts


Edition: 7th
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ade9jaade9ja
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6 years ago
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Heff Author
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6 years ago
Good timing, thanks!
IvanaVR
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Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
noodlelicker
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2 hours ago
Thanks for your help!!
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