A data warehouse contains a special database that stores the __________, which records its source, history,format,and constraints.
A)metadata
B)media format
C)dirty data
D)dimensional data
E)clickstream data

Question

Quizplus · Accepted Answer

Metadata refers to data that describes other data. In the case of a data warehouse, metadata includes information about the history of the data (e.g. when it was loaded), the format of the data (e.g. which fields are included), and any constraints that apply (e.g. which values are valid).

A Data Warehouse Contains a Special Database That Stores the __________