Podcast
Questions and Answers
Which technique is widely used to represent entities and relationships in data modeling?
Which technique is widely used to represent entities and relationships in data modeling?
- Super type and subtype method
- Extended data model (correct)
- Composition or workflow method
- Object-oriented data model
What is the grouping type that has multiple attribute values in a single entity called?
What is the grouping type that has multiple attribute values in a single entity called?
- Inheritance structure
- Composition
- Subtype
- Super type (correct)
What percentage of commonly implemented projects use the super type and subtype method?
What percentage of commonly implemented projects use the super type and subtype method?
- 70% (correct)
- 90%
- 30%
- 50%
What is the main focus of practical business techniques in data modeling?
What is the main focus of practical business techniques in data modeling?
Which data model has simple entities and relationships only?
Which data model has simple entities and relationships only?
Which data model supplements the shortcomings of the traditional data model and has the strengths of the object-oriented data model?
Which data model supplements the shortcomings of the traditional data model and has the strengths of the object-oriented data model?
What is the grouping type that has multiple attribute values in a single entity called?
What is the grouping type that has multiple attribute values in a single entity called?
What is the main focus of the extended data model in data modeling?
What is the main focus of the extended data model in data modeling?
What is the widely used technique to represent entities and relationships in data modeling?
What is the widely used technique to represent entities and relationships in data modeling?
What percentage of commonly implemented projects use the super type and subtype method?
What percentage of commonly implemented projects use the super type and subtype method?
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