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प्रश्न
What is the difference between the Hierarchical and Network data models?
फरक स्पष्ट करा
उत्तर
| Hierarchical Data Model | Network Data Model | |
| 1 | A child record has only one parent node. | A child may have many parent nodes. |
| 2 | It represents the data in one-to-many relationships. | It represents the data in many-to-many relationships. |
| 3 | This model is not easier and faster to access the data than the network data model. | This model is easier and faster to access the data. |
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