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Science-Related Homework Help Computer Studies Topic started by: Heff on Sep 2, 2017



Title: When transforming an ID-dependent E-R data model relationship into a relational database design and ...
Post by: Heff on Sep 2, 2017
When transforming an ID-dependent E-R data model relationship into a relational database design and the child entity is designed to use a surrogate key, then ________.
A) the parent entity must also use a surrogate key
B) the relationship remains an ID-dependent relationship
C) the relationship changes to a non-ID-dependent relationship
D) A and B
E) A and C


Title: Re: When transforming an ID-dependent E-R data model relationship into a relational database design ...
Post by: bestavinash on Sep 2, 2017
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Title: Re: When transforming an ID-dependent E-R data model relationship into a relational database design and ...
Post by: Heff on Jul 8, 2018
Answered all my Q's correctly