Discussion
To build a data warehouse and develop business intelligence applications, it is important that an organization build and maintain a comprehensive repository.
Answer: A
Correct answer: True
A repository holds the metadata - definitions, sources, transformation rules, lineage - that tells an analyst what a figure in the warehouse actually means and where it came from. Without it the warehouse is a collection of numbers nobody can safely interpret, which is why building and maintaining the repository is treated as part of building the warehouse rather than an optional extra.
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