Data Warehousing(Ict-Basic)Q1

The load and index is which of the following?

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A process to reject data from the data warehouse and to create the necessary indexes
A process to upgrade the quality of data after it is moved into a data warehouse
A process to load the data in the data warehouse and to create the necessary indexes
A process to upgrade the quality of data before it is moved into a data warehouse

The extract process is which of the following?

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A data warehouse is which of the following?

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A star schema has what type of relationship between a dimension and fact table?

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Data transformation includes which of the following?

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A goal of data mining includes which of the following?

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The @active data warehouse architecture includes which of the following?

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Transient data is which of the following?

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Data in which changes to existing records cause the previous version of the records to be eliminated
Data that are never deleted once they have been added
Data that are never altered or deleted once they have been added
Data in which changes to existing records do not cause the previous version of the records to be eliminated

A snowflake schema is which of the following types of tables?

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Reconciled data is which of the following?

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The generic two-level data warehouse architecture includes which of the following?

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Fact tables are which of the following?

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An operational system is which of the following?

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A system that is used to support decision making and is based on current data.
A system that is used to run the business in real time and is based on current data.
A system that is used to support decision making and is based on historical data.
A system that is used to run the business in real time and is based on historical data.

Data scrubbing is which of the following?

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A process to upgrade the quality of data after it is moved into a data warehouse
A process to load the data in the data warehouse and to create the necessary indexes
A process to upgrade the quality of data before it is moved into a data warehouse
A process to reject data from the data warehouse and to create the necessary indexes

A multifield transformation does which of the following?

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Data Warehousing(Ict-Basic)Q1 : Question 1 of 15