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Unleashing DB2 10 for Linux, UNIX, and Windows
book

Unleashing DB2 10 for Linux, UNIX, and Windows

by Danny Arnold, Steve Diniro, Vivian Lee, Stan Musker, Jo-Ann Woods
August 2012
Intermediate to advanced content levelIntermediate to advanced
162 pages
4h 25m
English
IBM Redbooks
Content preview from Unleashing DB2 10 for Linux, UNIX, and Windows
Chapter 3. Adaptive compression 39
Great Toque Outdoors has a fixed schedule for hardware expenditure as its
database grows. The increased compression ratios that adaptive compression
yields lead directly to lowered storage costs, because its database requires less
space. The result is less frequent hardware expenditure for storage.
Adaptive compression can also improve query performance, especially for
applications that are I/O-bound (in contrast to processor-bound). An example of
such data is likely found in a data warehouse, where decision-support workloads
are composed of complex analytic queries that perform massive aggregations.
In such cases, row access is mostly sequential and less random. Typically, the
data is locally clustered aft ...
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ISBN: 0738437107Purchase book