The main reason why data is retrieved in "blocks" is to:
A) minimize the number of actual disk accesses
B) save space
C) make programming easier
D) increase the lifetime of hardware
E) all of these
Correct Answer:
Verified
Q174: A collection of fields arranged in a
Q175: Fields whose values identify one and only
Q176: Which of the following is an acceptable
Q177: Which form of distribution duplicates data in
Q178: What is a blocking factor?
A) size of
Q180: The person responsible for the database technology,
Q181: DDL stands for which of the following:
A)
Q182: Which of the following languages is used
Q183: The database technology used to support data
Q184: An employee and a customer file are
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