Data Warehousing
An operational system is which of the following?

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 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.

ANSWER DOWNLOAD EXAMIANS APP

Data Warehousing
The extract process is which of the following?

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

ANSWER DOWNLOAD EXAMIANS APP