Multiple choice technology

Grouping of Random flags and text Attributes in a dimension and moving them to a separate sub dimension .This dimension is called

  1. Junk dimension

  2. Degenerate Dimension

  3. Conformed dimensions

  4. Time dimension
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A junk dimension consolidates low-cardinality attributes like random flags and text fields into a single dimension table to avoid creating numerous tiny dimension tables. This approach reduces complexity in the data warehouse schema while maintaining analytical capability. Degenerate dimensions (option B) are different - they have no corresponding dimension table and exist only in fact tables.

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