In a time dimension, which of the following can be considered a hierarchy?
- Customer Addresses
- Employee IDs
- Product Names
- Years, Months, Days
In a time dimension, a hierarchy typically consists of time-related attributes like Years, Months, and Days. These attributes form a natural hierarchical structure in the context of time, enabling drill-down or roll-up analysis, which is common in data warehousing for time-based reporting and analysis.
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