Home » Oracle » 1z0-591 » The Time Dimension hierarchy is a good example of a__________.
The Time Dimension hierarchy is a good example of a__________.
A. Level-based Time Dimension hierarchy
B. Ragged Hierarchy
C. Skip Level Hierarchy
D. Value-based Hierarchy
Correct Answer: A
Explanation/Reference:
Level-based Hierarchy
Level-based hierarchy is the first type of hierarchy in OBIEE.
Consists of an ordered set of two or more levels. For example, a Time hierarchy might have three levels for Year, Quarter, and Month. Level-based hierarchies can also contain parent-child relationships.
Dimension hierarchy levels allow :
* to perform aggregate navigation,
* to configure level-based measure calculations,
* to configure level-based measure calculations,
* users from Dashboard and Answers to drill down from one parent to a child level.
Special type of level-based dimension are supported:
* Unbalanced (or ragged) and Skip-level hierarchy
* time dimension to provides special functionality for modeling time series data.
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