Question

How can you detect the presence and extent of data pollution in your environment?

a.

By simply running data cleansing tools

b.

By examining the age of source systems

c.

By reusing primary keys in source systems

d.

By analyzing each type of data pollution source and examining data values

Posted under Data Warehousing and OLAP

Answer: (d).By analyzing each type of data pollution source and examining data values Explanation:You can detect the presence and extent of data pollution in your environment by analyzing each type of data pollution source and examining data values.

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Q. How can you detect the presence and extent of data pollution in your environment?

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