22. | Architecture of the database can be viewed as |
Discuss |
Answer: (c).three levels
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23. | In the architecture of a database system external level is the |
Discuss |
Answer: (d).view level
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25. | A logical schema |
Discuss |
Answer: (a).is the entire database
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26. | Conceptual design |
Discuss |
Answer: (c).involves modelling independent of the DBMS.
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27. | A subschema expresses |
Discuss |
Answer: (c).the external view
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28. | SET concept is used in : |
Discuss |
Answer: (a).Network Model
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29. | The conceptual model is |
Discuss |
Answer: (d).independent of both hardware and software
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30. | Which of the following is record based logical model? |
Discuss |
Answer: (a).Network Model
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