Which of the following answers are part of a well-structured relational database? Select all that apply. All tables must have a foreign key All non-key attributes must describe the enitity contained in the table All tables must have a primary key that is unique All transaction tables must have Date as a non key attribute All attributes must be single valued All of the above are correct None of the above are correct
Which of the following answers are part of a well-structured relational database? Select all that apply. All tables must have a foreign key All non-key attributes must describe the enitity contained in the table All tables must have a primary key that is unique All transaction tables must have Date as a non key attribute All attributes must be single valued All of the above are correct None of the above are correct
Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter2: Data Models
Section: Chapter Questions
Problem 11P
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Which of the following answers are part of a well-structured relational database ? Select all that apply.
All tables must have a foreign key
All non-key attributes must describe the enitity contained in the table
All tables must have a primary key that is unique
All transaction tables must have Date as a non key attribute
All attributes must be single valued
All of the above are correct
None of the above are correct
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