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Question

What is essential for metadata about data structures, data elements, events, and rules in a data warehouse?

a.

They must be kept unsynchronized.

b.

They must be synchronized at all times.

c.

Synchronization is only needed in the data transformation tools.

d.

Synchronization is only needed in the front-end tools.

Answer: (b).They must be synchronized at all times. Explanation:In a data warehouse, metadata about data structures, data elements, events, and rules must be kept synchronized at all times.

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Q. What is essential for metadata about data structures, data elements, events, and rules in a data warehouse?

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