Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024UGC NET CS 2006 Dec-paper-2
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Question 18
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Which statement is false regarding data independence ?
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Hierarchical data model suffers from data independence
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Network model suffers from data independence
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Relational model suffers only from logical data independence
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Relational model suffers only from physical data independence
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Question 18 Explanation:
TRUE: Hierarchical data model suffers from data independence
TRUE: Network model suffers from data independence
FLASE: Relational model suffers only from logical data independence
TRUE: Relational model suffers only from physical data independence
TRUE: Network model suffers from data independence
FLASE: Relational model suffers only from logical data independence
TRUE: Relational model suffers only from physical data independence
Correct Answer: C
Question 18 Explanation:
TRUE: Hierarchical data model suffers from data independence
TRUE: Network model suffers from data independence
FLASE: Relational model suffers only from logical data independence
TRUE: Relational model suffers only from physical data independence
TRUE: Network model suffers from data independence
FLASE: Relational model suffers only from logical data independence
TRUE: Relational model suffers only from physical data independence