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Exam 13: Business Intelligence and Data Warehouses

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Question 41

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The hierarchy provides the capability to perform drill-down and roll-up searches in a data warehouse.

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Question 42

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Describe the use of SQL in relation to ROLAP.

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Most decision support data requests requ...

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Question 43

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Explanatory analytics employs mathematical and statistical algorithms, neural networks, artificial intelligence, and other advanced modeling tools to create actionable predictive models based on available data.

Queries against operational data typically are broad in scope and high in complexity.

Operational data and decision support data serve the same purpose.

A _____ is a dynamic table that not only contains the SQL query command to generate the rows, but also stores the actual rows.

Multidimensional data analysis techniques include advanced computational functions.

Periodicity, usually expressed as current year only, previous years, or all years, provides information about the time span of the data stored in a table.

By default, the fact table's primary key is always formed by combining the superkeys pointing to the dimension tables to which they are related.

A data store is used by data analysts to create queries that access the database.

A is optimized for decision support and is generally represented by a data warehouse or a data mart.

Relational data warehouses use multidimensional data schema support to handle multidimensional data.

A data _____ is a centralized, consolidated database that integrates data derived from the entire organization and from multiple sources with diverse formats.

The most distinctive characteristic of modern OLAP tools is their capacity for _____ analysis.

tools focus on the strategic and tactical use of information.