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What does a bridge table resolve?

  1. A A many-to-many relationship between a fact and a dimension
  2. B A missing foreign key
  3. C A schema version conflict
  4. D A partitioning problem
Answer

A many-to-many relationship between a fact and a dimension

Without a bridge, many-to-many relationships either lose rows or double-count measures across the multiple related dimension members.

All Data Warehousing MCQs

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