Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Why is it required to have a primary key and a foreign key in a
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- The values of a variety of relational database properties could be encrypted due to worries about data confidentiality. Is there a particular justification for not encrypting the characteristics of database management systems?How do you think the lack of encryption for primary-key properties in database systems affects those systems?arrow_forwardHow does the use of foreign keys contribute to the reliability and comprehensiveness of the information contained within a database? Have you given any consideration to the reasons behind the way in which you are behaving?arrow_forwardAs a database user, I'm curious as to why you'd want to use both a main key and a foreign key. How will you be able to get across how crucial this issue is?arrow_forward
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