DBMS-Enchanced Entity-Relationship (EER) Model
DBMS-Enchanced Entity-Relationship (EER) Model
51. The conceptual database design is the process of
- deriving the physical structure of the database
- creating a conceptual and external schemas for the high-level data model
- analysing overall data requirements.
- None of these.
52. Which of the following design is both hardware and software independent ?
- physcal database design
- logical database design
- conceptual database design
- none of these
53. Which of the following design is both hardware and software independent ?
- physical database design
- logical database design
- conceptual database design
- none of these
54. Which of the following design is both hardware and software independent ?
- physical database design
- logical database design
- conceptual database design
- none of these
55. The bottom-up database design approach starts at the
- fundamental level of attributes
- development of data models that contains high-level abstractions
- indentification of set of major entities
- all of these
56. The top-down database design approach starts at the
- fundamental level of attributes
- development of data models that contains high-level abstractions.
- identification of seet of major entities.
- all of these
57. A functional dependency (FD) is a property of the information represented by the relation.
- TRUE
- FALSE