While hierarchical and network data models require relationships to be formed at the database creation,relational data models can be made up as needed.

Name: While hierarchical and network data models require relationships to be formed at the database creation,relational data models can be made up as needed.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Relational data models allow for the creation of relationships between data tables dynamically using keys, unlike hierarchical and network models which require predefined relationships.

While Hierarchical and Network Data Models Require Relationships to Be