51. | Physical Data Independence is ability to modify _____________ without causing application program to rewrite. |
Discuss |
Answer: (a).Physical Schema
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52. | Logical Data independence is ability to modify ____________ without causing application program to rewrite. |
Discuss |
Answer: (b).Logical Schema
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53. | In enterprise data modeling, which is incorrect? |
Discuss |
Answer: (b).You implement the new database.
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54. | Which is not a relevant feature of CASE tools? |
Discuss |
Answer: (d).Access to a DB via the Internet
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55. | CASE tools do not include which of the following features? |
Discuss |
Answer: (c).Help to manage people
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56. | The three-schema components include all, but: |
Discuss |
Answer: (c).programming schema.
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57. | Which is not a type of data management technology? |
Discuss |
Answer: (b).Rational
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58. | Which of the following database activities determines the entities, attributes, and relationships of data? |
Discuss |
Answer: (a).Conceptual data modeling
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59. | Which of the following database activities require a specific knowledge of a DBMS? |
Discuss |
Answer: (d).Physical database design and definition
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60. | Which of the following database activities allow for the actual retrieval and use of a database? |
Discuss |
Answer: (d).Database implementation
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