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DB2 Cube Views: A Primer
book

DB2 Cube Views: A Primer

by Corinne Baragoin, Geetha Balasubramaniam, Bhuvaneshwari Chandrasekharan, Landon DelSordo, Jan B. Lillelund, Julie Maw, Annie Neroda, Paulo Pereira, Jo A. Ramos
September 2003
Beginner to intermediate content levelBeginner to intermediate
754 pages
18h 9m
English
IBM Redbooks
Content preview from DB2 Cube Views: A Primer
162 DB2 Cube Views: A Primer
The following factors need to be considered before specifying the available disk
space:
򐂰 The query performance levels that you want
򐂰 The number of cube models that you are optimizing for
򐂰 How critical each cube model is
򐂰 How frequently each cube model is used
򐂰 The availability and cost of the disk space
Typically, you can see significant improvement by allowing a moderate amount of
disk space, such as 1% to 10% of the space currently used by the relational
tables that are referenced by the cube model. Table 4-4 shows the relationship
between the percentage of disk space used and the corresponding expected
performanc ...
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Publisher Resources

ISBN: 0738499730Purchase book