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Is InstructorLastName a candidate key along with InstructorID in the Instructors table? a . Yes, InstructorLastName could be used as a key field because no
Is InstructorLastName a candidate key along with InstructorID in the Instructors table?
a Yes, InstructorLastName could be used as a key field because no one instructor has the same last name.
b No InstructorLastName could not be a key field because an instructor might join the team with the same last name as another instructor, such as a sibling.
c Yes, InstructorLastName could be used as a key field as long as it was spelled correctly.
d Yes, InstructorLastName could be used along with InstructorFirstName as a compound key field.
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Practical Azure SQL Database For Modern Developers Building Applications In The Microsoft Cloud
Authors: Davide Mauri, Silvano Coriani, Anna Hoffma, Sanjay Mishra, Jovan Popovic
1st Edition
1484263693, 978-1484263693
