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Chapter 7
Data Organization
In the successful organization, no detail is too small to escape
close attention.
LOU HOLTZ
Have you ever had trouble nding an important item in your room
because the room was cluttered and disorganized? Have you ever had
trouble nding a le on your computer because you could not remember
what it was named? Computing systems commonly manage billions of
items with every passing moment. A computing system must keep pre-
cise account of this data as it ows through the system and this requires
close attention to every small detail. In particular, this chapter explains
that all data must be well organized and properly ...