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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80 IBM Cognos Dynamic Cubes
4.6.2 Metadata discovery
Be aware of the nature of your dimension and whether it is or will be a slowly changing
dimension.
In the Cognos sample database GOSLDW, the table EMP_EMPLOYEE_DIM is structured so
that we can explore both the concept of the differences between parent-child hierarchies and
regular hierarchies and the concept of slowly changing dimensions.
Examine the EMP_EMPLOYEE_DIM table in GOSLDW. It is clear that MANAGER_CODE
and EMPLOYEE_CODE, which are the natural keys that identify these entities in the
dimension, are normally sufficient to be respectively the parent and child keys of this
dimension if ...
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