A data warehouse is an integrated collection of data because _____.
A. it is a collection of data of different data types.
B. it is a collection of data derived from multiple sources.
C. it is a relational database.
D. it contains summarized data.
Answer:B
A data warehouse is an integrated collection of data because _____.
A. it is a collection of data of different data types. B. it is a collection of data derived from multiple sources. C. it is a relational database. D. it contains summarized data.