Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
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Question 259
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A network schema is different from a hierarchical schema, for, it allows
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one parent – one child
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one parent – many children
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many parents – many children
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both of A and B above only
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Question 259 Explanation:
While the hierarchical database model structures data as a tree of records, with each record having one parent record and many children, the network model allows each record to have multiple parent and child records, forming a generalized graph structure.
Correct Answer: C
Question 259 Explanation:
While the hierarchical database model structures data as a tree of records, with each record having one parent record and many children, the network model allows each record to have multiple parent and child records, forming a generalized graph structure.