Category: Data Mining

…………………….. are designed to overcome any limitations placed on the warehouse by the nature of the relational data model.

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…………………….. are designed to overcome any limitations placed on the warehouse by the nature of the relational data model.
operational database
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relational database
multidimensional database
None of the Option is Correct

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The biggest drawback of the level indicator in the classic star schema is that is limits …………

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The biggest drawback of the level indicator in the classic star schema is that is limits …………
quantify
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flexibility
qualify
None of the Option is Correct

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…………….. are responsible for running queries and reports against data warehouse tables.

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…………….. are responsible for running queries and reports against data warehouse tables.
middle ware
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end users
software
None of the Option is Correct

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The data from the operational environment enter …………………… of data warehouse.

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The data from the operational environment enter …………………… of data warehouse.
current detail data
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older detail data
lightly summarized data
None of the Option is Correct

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A data warehouse is ……………

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A data warehouse is ……………
updated by end users.
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contains numerous naming conventions and formats
organized around important subject areas
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Business Intelligence and data warehousing is used for …………..

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Business Intelligence and data warehousing is used for …………..
data mining
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forecasting
analysis of large volumes of product sales data
None of the Option is Correct

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………………… supports basic OLAP operations, including slice and dice, drill-down, roll-up and pivoting.

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………………… supports basic OLAP operations, including slice and dice, drill-down, roll-up and pivoting.
data mining
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analytical processing
information processing
None of the Option is Correct

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Data warehouse contains ……………. data that is never found in the operational environment.

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Data warehouse contains ……………. data that is never found in the operational environment.
normalized
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informational
summary
None of the Option is Correct

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The core of the multidimensional model is the ………………….. , which consists of a large set of facts and a number of dimensions.

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The core of the multidimensional model is the ………………….. , which consists of a large set of facts and a number of dimensions.
dimensions cube
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multidimensional cube
data cube
None of the Option is Correct

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Data warehouse architecture is based on …………….

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Data warehouse architecture is based on …………….
rdbms
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dbms
sybase
None of the Option is Correct

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