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- Question
The term Complete for a UML has the same meaning as which of the following for an EER diagram?
Options- A. Overlapping rule
- B. Disjoint rule
- C. Total specialization rule
- D. Partial specialization rule
- Correct Answer
- Total specialization rule
- 1. Backward recovery is which of the following?
Options- A. Where the before-images are applied to the database
- B. Where the after-images are applied to the database
- C. Where the after-images and before-images are applied to the database
- D. Switching to an existing copy of the database Discuss
- 2. The transaction log includes which of the following?
Options- A. The before-image of a record
- B. The after-image of a record
- C. The before and after-image of a record
- D. The essential data of the record Discuss
- 3. Poor data administration can lead to which of the following?
Options- A. A single definition of the same data entity
- B. Familiarity with existing data
- C. Missing data elements
- D. All of the above. Discuss
- 4. A traditional data administrator performs which of the following roles?
Options- A. Tune database performance
- B. Establish backup and recovery procedures
- C. Resolve data ownership issues
- D. Protect the security of the database. Discuss
- 5. A data warehouse administrator is concerned with which of the following?
Options- A. The time to make a decision but not the typical roles of a database administrator
- B. The time to make a decision and the typical roles of a database administrator
- C. The typical roles of a data administrator and redesigning existing applications
- D. The typical roles of a database administrator and redesigning existing applications Discuss
- 6. Multiplicity is the same as what concept for an ERD?
Options- A. Relationship
- B. Attribute
- C. Entity
- D. Cardinality Discuss
- 7. The term Incomplete for a UML has the same meaning as which of the following for an EER diagram?
Options- A. Overlapping rule
- B. Disjoint rule
- C. Total specialization rule
- D. Partial specialization rule Discuss
- 8. The object-oriented development life cycle is which of the following?
Options- A. Analysis, design, and implementation steps in the given order and using multiple iterations.
- B. Analysis, design, and implementation steps in the given order and going through the steps no more than one time.
- C. Analysis, design, and implementation steps in any order and using multiple iterations.
- D. Analysis, design, and implementation steps in any order and going through the steps no more than one time. Discuss
- 9. The fact that the same operation may apply to two or more classes is called what?
Options- A. Inheritance
- B. Polymorphism
- C. Encapsulation
- D. Multiple classification Discuss
- 10. Which of the following is a technique for hiding the internal implementation details of an object?
Options- A. Encapsulation
- B. Polymorphism
- C. Inheritance
- D. All of the above. Discuss
Object-Oriented Data Modeling problems
Search Results
Correct Answer: Where the before-images are applied to the database
Correct Answer: The essential data of the record
Correct Answer: Missing data elements
Correct Answer: Resolve data ownership issues
Correct Answer: The time to make a decision and the typical roles of a database administrator
Correct Answer: Cardinality
Correct Answer: Partial specialization rule
Correct Answer: Analysis, design, and implementation steps in the given order and using multiple iterations.
Correct Answer: Polymorphism
Correct Answer: Encapsulation
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