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Question

How does MDM help improve data quality in the context of data warehousing?

a.

By rectifying problems downstream in the data warehouse

b.

By cleansing the data at the source system

c.

By propagating corrections backward from the data warehouse

d.

By creating a system of record for trusted data

Answer: (b).By cleansing the data at the source system Explanation:MDM helps improve data quality by correcting bad master data at the source so that high-quality data reaches the data warehouse.

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Q. How does MDM help improve data quality in the context of data warehousing?

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