Once data are entered into the warehouse,users cannot change or update the data.Obsolete data are discarded,and changes are recorded as new data.This ________ characteristic is one of the characteristics of data warehousing.
A) changeable
B) nonvolatile
C) nonperishable
D) static

Question

Quizplus · Accepted Answer

Nonvolatile means that once data is entered into the warehouse, it cannot be changed or updated. Instead, any changes are recorded as new data, and obsolete data is discarded. This is a key characteristic of data warehousing because it ensures data consistency and accuracy over time.

Once Data Are Entered into the Warehouse,users Cannot Change or Update