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Title: Which of the following specifies that each instance of an entity type must have a unique identifier Post by: boyob89 on Jun 4, 2016 Which of the following specifies that each instance of an entity type must have a unique identifier that is not null?
A) referential integrity constraints B) domains C) triggering operations D) entity integrity Title: Re: Which of the following specifies that each instance of an entity type must have a unique identif Post by: MartyJay on Jun 15, 2016 Content hidden
Title: Re: Which of the following specifies that each instance of an entity type must have a unique identifier Post by: boyob89 on Jun 20, 2016 finally :)
thx for your expertise Title: Re: Which of the following specifies that each instance of an entity type must have a unique identifier Post by: MartyJay on Jun 21, 2016 I’m happy to help :)
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