October 2012
Intermediate to advanced
316 pages
8h 47m
English
book
IBM Cognos Dynamic Cubes
by Dmitriy Beryoza, Shilpa Bhimavarapu, Alan Blake, David Cushing, Vlaunir Da Silva, Mario Daigle, Avery Hagleitner, Ian Henderson, Beth Jubera, Skyla Loomis, Chris McPherson, Steven Rogers, Carlos Ruiz, Christopher Yao
Content preview from IBM Cognos Dynamic Cubes
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22 IBM Cognos Dynamic Cubes
Figure 2-18 shows query decomposition with virtual cubes.
Figure 2-18 Query decomposition with virtual cubes
2.1.7 Aggregate Advisor
A key feature of Cognos Dynamic Cubes is its ability to take advantage of both in-database
and in-memory pre-computed summaries. These pre-computed summaries can improve the
performance of queries by orders of magnitude, providing the type of performance required
for interactive reporting and analysis.
If you have pre-existing summary tables in your data warehouse, you can model them as
aggregate cubes in the Cognos Cube Designer. When a cube is published and the cube is
restarted, it will ...
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