Question

What is the primary function of data extraction tools in a data warehouse?

a.

Create data models

b.

Generate schema

c.

Bulk extraction for full refreshes

d.

Facilitate data transformation

Posted under Data Warehousing and OLAP

Answer: (c).Bulk extraction for full refreshes Explanation:Data extraction tools primarily perform bulk extraction for full refreshes and change-based replication for incremental loads in data warehousing.

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