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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
Chapter 3. Building a cube model in DB2 77
Attribute relationships are mainly used within the context of a hierarchy. Attributes
that are directly related to attributes in a hierarchy can become part of the query.
For example, you can include
CityPopulation
in a query that retrieves
CityID
.
Figure 3-12 provides a graphical representation of attributes, attribute
relationships, and hierarchies within the context of a dimension.
Figure 3-12 Dimension, attributes, hierarchies, and attribute-relationships
3.2.6 Joins
DB2 Cube Views stores metadata objects called joins, representing joins in the
star schema (see Figure 3-13).
In the case of a star s ...
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ISBN: 0738499730Purchase book