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Questions and Answers
Which data modelling technique organizes data into a tree-like structure with parent-child relationships?
Which data modelling technique organizes data into a tree-like structure with parent-child relationships?
- Entity-relationship model
- Network model
- Hierarchical database model (correct)
- Relational model
Which data modelling technique is known for its fast and efficient data retrieval?
Which data modelling technique is known for its fast and efficient data retrieval?
- Star schema
- Entity-attribute-value model
- Object-oriented database model
- Hierarchical database model (correct)
Which data modelling technique is difficult to maintain and update?
Which data modelling technique is difficult to maintain and update?
- Entity-relationship model
- Relational model
- Document model
- Hierarchical database model (correct)
Which data modelling technique has limited support for data manipulation?
Which data modelling technique has limited support for data manipulation?
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Which data modelling technique has limited interoperability?
Which data modelling technique has limited interoperability?
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