Question

What should be identified in the early phase of requirements definition regarding data quality?

a.

Potential sources of data pollution in the data warehouse

b.

Query parameters for user queries

c.

Sources of data aging in source systems

d.

Types of data extraction functions

Posted under Data Warehousing and OLAP

Answer: (a).Potential sources of data pollution in the data warehouse Explanation:In the early phase of requirements definition, potential sources of data pollution in the data warehouse should be identified.

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Q. What should be identified in the early phase of requirements definition regarding data quality?

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