Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity? Supertype entity Instance entity Archetype entity Subtype entity Supertype entity Instance entity Archetype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity is something that can be identified in the user's work environment; something that the users want to track. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System It is more accurate to define a _____ as a variety of different record types that are treated as a single unit Record None of these Database Flat File Table Record None of these Database Flat File Table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? It is inflexible All of these There is common sharing of data among the various applications It is file-oriented Programs are dependent on the files It is inflexible All of these There is common sharing of data among the various applications It is file-oriented Programs are dependent on the files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail is the recorded history of operations performed on a file is used to make back-up copies All of the listed here can be used to restore lost information is the recorded history of operations performed on a file is used to make back-up copies All of the listed here can be used to restore lost information ANSWER DOWNLOAD EXAMIANS APP
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