Question

Why might third-party data extraction tools be preferred in data warehousing over in-house programs?

a.

Third-party tools are generally less expensive.

b.

In-house programs provide built-in flexibility.

c.

Third-party tools are easier to maintain.

d.

In-house programs are more efficient.

Posted under Data Warehousing and OLAP

Answer: (a).Third-party tools are generally less expensive. Explanation:Third-party data extraction tools are preferred for data warehousing because they often provide built-in flexibility and record their own metadata, even though they are generally more expensive than in-house programs.

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