Data Warehousing - Practice Test

(A) A process to reject data from the data warehouse and to create the necessary indexes

(B) A process to load the data in the data warehouse and to create the necessary indexes

(C) A process to upgrade the quality of data after it is moved into a data warehouse

(D) A process to upgrade the quality of data before it is moved into a data warehouse

(D) A process to upgrade the quality of data before it is moved into a data warehouse

(A) At least one data mart

(B) Data that can extracted from numerous internal and external sources

(C) Near real-time updates

(D) All of the above

(D) All of the above

(A) To explain some observed event or condition

(B) To confirm that data exists

(C) To analyze data for expected relationships

(D) To create a new data warehouse

(A) To explain some observed event or condition

(A) A system that is used to run the business in real time and is based on historical data.

(B) A system that is used to run the business in real time and is based on current data.

(C) A system that is used to support decision making and is based on current data.

(D) A system that is used to support decision making and is based on historical data.

(B) A system that is used to run the business in real time and is based on current data.

(A) Can be updated by end users.

(B) Contains numerous naming conventions and formats.

(C) Organized around important subject areas.

(D) Contains only current data.

(C) Organized around important subject areas.

Data Warehousing - Study Mode