Question

What special considerations are needed for ETL in the requirements definition for real-time data warehousing?

a.

Techniques for real-time data extraction and integration

b.

Compatibility with external data sources

c.

Nightly updates to the data warehouse

d.

Data element normalization

Posted under Data Warehousing and OLAP

Answer: (a).Techniques for real-time data extraction and integration Explanation:Special considerations for real-time data warehousing ETL include techniques for real-time data extraction and integration.

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Q. What special considerations are needed for ETL in the requirements definition for real-time data warehousing?

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