The extract process is stated as

Options
- Capturing all of the data contained in various operational systems
- Capturing a subset of the data contained in various operational systems
- Capturing all of the data contained in various decision support systems
- Capturing a subset of the data contained in various decision support systems

CORRECT ANSWER : Capturing a subset of the data contained in various operational systems

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Extract process

Extraction is the operation of extracting data from a source system for further use in a data warehouse environment. This is the first step of the ETL process. After the extraction, this data can be transformed and loaded into the data warehouse. The extract process is stated as capturing a subset of the data contained in various operational systems.

Prajakta Pandit 03-16-2017 02:48 AM

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