Question

When are aggregate tables created during the complete initial load of a data warehouse?

a.

Before loading dimension and fact tables

b.

After building indexes

c.

Simultaneously with the creation of load images in the staging area

d.

Based on an already established plan, either before or after the creation of load images in the staging area

Posted under Data Warehousing and OLAP

Answer: (d).Based on an already established plan, either before or after the creation of load images in the staging area Explanation:Aggregate tables are created during the complete initial load of a data warehouse based on an already established plan, either before or after the creation of load images in the staging area.

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Q. When are aggregate tables created during the complete initial load of a data warehouse?

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