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Question
Key physical database design decisions typically do not include:A) choosing the storage format for each attribute from the logical database model.
B) grouping attributes from the logical database model into physical records.
C) arranging related records in secondary memory so that individual and groups of records can be stored, retrieved, and updated rapidly.
D) selecting media and structures for storing data to make access more efficient.
E) conducting requirements structuring.
Answer
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Related questions
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All of the following are types of user documentation EXCEPT:
A) release description.
B) reference guide.
C) acceptance sign-off.
D) entity-relationship diagrams.
E) user's guide.
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B) single location installation.
C) parallel installation.
D) direct installation.
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The organizational process of changing over from the current information system to a new one best defines:
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B) alpha testing.
C) beta testing.
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The process of bringing together all of the modules that comprise a program for testing purposes is referred to as:
A) unity testing.
B) integration testing.
C) system testing.
D) implementation.
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Q:
Testing each module alone in an attempt to discover any errors that may exist in the module's code is referred to as:
A) unit testing.
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System testing is the process of bringing together all of the modules that a program comprises for testing purposes.
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The primary deliverable from logical database design is:
A) normalized relations.
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Q:
Which of the following is NOT a key step in logical database design?
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A recursive foreign key is a foreign key in a relation that references the primary key value of the same relation.
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