Introduction to Database System A computer file can be best described as an orderly collection of data items None of these a single data item a random collection of data items a general collection of data items an orderly collection of data items None of these a single data item a random collection of data items a general collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents an actual occurrence of an associated generalized entity? Supertype entity Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: (B,C) → C → A → B → (B,C) → C → A → B → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. None of these Relational database Distributed database Hierarchical database Network database None of these Relational database Distributed database Hierarchical database Network database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Each of data files has a _____ that describe the way the data is stored in the file. Database Records File structure Fields Database Records File structure Fields ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Entity Attribute Identifier Relationship Entity Attribute Identifier Relationship ANSWER DOWNLOAD EXAMIANS APP
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