DBMS-Enchanced Entity-Relationship (EER) Model
DBMS-Enchanced Entity-Relationship (EER) Model
41. The mxed strategy database design approach starts with the identification of set of major entities and then spreading out.
- TRUE
- FALSE
42. The objective of developing a prototype of the system is to demonstrate the understanding of the user requirement and the functionality that will be provided in the proposed system.
- TRUE
- FALSE
43. The organised database structure gives advantage such as
- data redundancy
- data independence
- data security
- all of these
44. Structured system analysis and design (SSAD) is a software engineering approach to the specification, design. construction, testing and maintenance of software for
- maximizing the reliabiity and maintainability of the system
- reducing software life-cycle costs
- both (a) and (b)
- none of these
45. The database development life cycle (DDLC) is to meet strategic or operational inormation needs of an organisation and is a process of
- designing
- implementing
- maintaining
- all of these
46. The phisical 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
47. Which of the following is the SDLC phase that starts after the software is released into use?
- integration and testing
- development
- maintenance
- none of these
48. SDLC stands for
- software development life cycle
- scientific design life cycle
- scientific design of linear characterstics
- structured distributed life cycle
49. DDL stands for
- distributed database life cycle
- database development life cycle
- direct digital line connectivity
- none of these
50. The logical 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.