Question

Which data model provide One to Many relationship
(A) Hierarchical Data model
(B) Network Data Model
(C) Object Oriented Data Model
(D) Relational Data Model​

Answer 1

Relation Data Model

Explanation:

When a one-to-many relationship exists between two entities, one occurrence of entity A is related to zero, one, or more occurrences of entity B; each occurrence of entity B is related to at most one occurrence of entity A.

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Answer 2

Answer:

Relational Data Model

Explanation:

In, a relational database, a one-to-many relationship exists when one row in table A may be linked with many rows in a table B but one row in table B is linked to only one row in table A. It is important to note that a one-to-many relationship is not a property of the data, but rather of the relationship itself

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