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Data Analysis for Database Design, 3rd Edition
book

Data Analysis for Database Design, 3rd Edition

by David Howe
May 2001
Intermediate to advanced content levelIntermediate to advanced
336 pages
14h 36m
English
Butterworth-Heinemann
Content preview from Data Analysis for Database Design, 3rd Edition
4. Suggest four, or more, reasons why the store operation illustrated in Fig. 2.3 might
be unsuccessful. (2 min)
5. Why might there be a security risk if the DBMS and operating system software are
designed independently? (1 min)
6. Compare the merits of:
(a) sharing an external schema between several application programs; and
(b) defining a separate external schema for each application program. (2 min)
7. Separation of the external schemas from the internal schema allows the latter to be
tuned without changes having to be made to application programs. In what way might
an application program become aware of a change in the internal schema? (1 min)
8.
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Publisher Resources

ISBN: 9780750650861