Question

What does the guideline for "Drill-Through to Detail Level" allow in an OLAP system?

a.

Smooth transition from aggregated to preaggregated data

b.

Access to external data serving as the source at the detail record level

c.

Restriction on accessing detail records

d.

Limited analysis models

Posted under Data Warehousing and OLAP

Answer: (b).Access to external data serving as the source at the detail record level Explanation:The guideline for "Drill-Through to Detail Level" allows a smooth transition from the multidimensional, preaggregated database to the detail record level of the source data warehouse repository.

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Q. What does the guideline for "Drill-Through to Detail Level" allow in an OLAP system?

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