Exam 11: Data Storage Design
Exam 1: The Systems Analyst and Information Systems Development136 Questions
Exam 2: Project Selection and Management110 Questions
Exam 3: Requirements Determination153 Questions
Exam 4: Systems Analysis and Design74 Questions
Exam 5: Process Modeling112 Questions
Exam 6: Data Modeling104 Questions
Exam 7: Moving Into Design106 Questions
Exam 8: Architecture Design70 Questions
Exam 9: Dennis/wixom/roth231 Questions
Exam 10: Program Design112 Questions
Exam 11: Data Storage Design111 Questions
Exam 12: Moving Into Implementation121 Questions
Exam 13: Transition to the New System139 Questions
Exam 14: the Movement to Objects113 Questions
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One of the goals of the data storage design activity in the Design Phase of the SDLC is to revise logical use cases into physical use cases.
(True/False)
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An 'international key' is used to relate two tables together (like customer ID from the customer table is an international key in the order table).
(True/False)
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A great advantage of object oriented database management systems is their easy of learning.
(True/False)
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Mike is an analyst doing data storage design activities.He will probably want to make sure that the DFDs and the ERDs balance.
(True/False)
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The most efficient tables in a relational database in terms of storage space have no redundant data and very few null values.
(True/False)
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In chapter 2,we talked about 'technical feasibility' (with the interpretation of 'can we build it').How might that apply to selecting a relational database,a object database,or a multidimensional database?
(Essay)
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The acronym for the standard language used to access data in relational databases is:
(Multiple Choice)
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This type of file records "before" and "after" images of data as the data gets altered.
(Multiple Choice)
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Barb is working on a database design.For the most efficient storage she should remove: ______ and ______.
(Multiple Choice)
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One activity in the data storage design activity is to update the CRUDE matrix.
(True/False)
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The most efficient tables (in terms of storage efficiency)in relational database management systems:
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