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Science-Related Homework Help Computer Studies Topic started by: Danli on Oct 20, 2016



Title: Which of the following best describes the effect of enforcing referential integrity on deletes?
Post by: Danli on Oct 20, 2016
Which of the following best describes the effect of enforcing referential integrity on deletes?
A) You cannot remove a record from the primary key table if it has related records in the foreign key table
B) You cannot enter data into a foreign key table unless it is related to an existing record in the primary key table
C) You cannot change a primary key that has related records in a foreign key table
D) All of the above


Title: Re: Which of the following best describes the effect of enforcing referential integrity on ...
Post by: Venturia on Oct 20, 2016
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Title: Re: Which of the following best describes the effect of enforcing referential integrity on deletes?
Post by: Danli on Nov 24, 2016
Just what I needed, delivered at the right time too