Question

In the context of data warehouses, why is setting the "Block Percent Free" parameter to a high value not recommended?

a.

High values result in better performance for data warehouses

b.

Data warehouses have frequent updates, making the parameter useful

c.

Data warehouses mostly involve inserts, and a high value leads to wasted space

d.

There is no impact on performance in data warehouses

Posted under Data Warehousing and OLAP

Answer: (c).Data warehouses mostly involve inserts, and a high value leads to wasted space Explanation:In the context of data warehouses, setting the "Block Percent Free" parameter to a high value is not recommended because data warehouses mostly involve inserts, and a high value leads to wasted space.

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Q. In the context of data warehouses, why is setting the "Block Percent Free" parameter to a high value not recommended?

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