The important aspect of the data warehouse environment is that data found within the data warehouse is___________.Question 14Answera.time-variantb.subject-oriented.c.integratedd.All of the above
Question
The important aspect of the data warehouse environment is that data found within the data warehouse is___________.Question 14Answera.time-variantb.subject-oriented.c.integratedd.All of the above
Solution
d. All of the above
Explanation:
a. Time-variant: Data warehouse data represent the flow of data through time, not just a snapshot of a moment in time.
b. Subject-oriented: A data warehouse is organized around major subjects of the enterprise rather than the major application areas.
c. Integrated: Integration is the process of combining data from various sources into the data warehouse. The data extracted from different operational databases are cleaned and transformed to provide a unified view.
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