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Title: Which of the following is not true about primary keys? Post by: pagnor on Sep 2, 2017 Which of the following is not true about primary keys?
A) Primary keys cannot be null. B) Primary keys must be unique. C) Primary keys must be a single attribute. D) Primary keys are used to represent relationships. E) Primary keys can be defined using an SQL CONSTRAINT phrase. Title: Re: Which of the following is not true about primary keys? Post by: bestavinash on Sep 2, 2017 Content hidden
Title: Re: Which of the following is not true about primary keys? Post by: pagnor on Dec 23, 2017 This website is legit, thank you!
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