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Relational Database Fundamentals exam review questions and answers When a table field contains a null value, that value may be understood to be ______. - n Ans unknown Qs A conceptual, high-level description of the structure of a database is containe
Relational Database Fundamentals exam review questions and answers 
 
When a table field contains a null value, that value may be understood to be ______. - n 
 Ans 
unknown 
 
Qs 
 A conceptual, high-level description of the structure of a database is contained in: - n 
 Ans 
an entity-relationship (ER) model. 
 
Qs 
 Amanda is designing a relation. As she starts to consider sample data, she discovers that one attribute within a row needs to have more than one value. What should Amanda do abo...