Which statement is true?

Options
- The data warehouse consists of data marts and operational data
- The data warehouse is used as a source for the operational data
- The operational data are used as a source for the data warehouse
- All of the above

CORRECT ANSWER : The operational data are used as a source for the data warehouse

Discussion Board
The operational data are used as a source for the data warehouse

A data warehouse is organized around important subject areas. A data warehouse (DW or DWH), also known as an enterprise data warehouse (EDW), is a system used for reporting and data analysis, and is considered a core component of business intelligence. The operational data are used as a source for the data warehouse. An operational system is used to run the business in real time and is based on current data. An operational database is a subject-oriented database. It contains structured data generated directly from transaction data sources and current data, extracted from transactions system.

Prajakta Pandit 03-16-2017 06:35 AM

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