Fact tables are which of the following? Partially denoralized Completely normalized Partially normalized Completely denoralized TRUE ANSWER : ? YOUR ANSWER : ?
Successful data warehousing requires that a formal program in total quality management (TQM) be implemented. True False TRUE ANSWER : ? YOUR ANSWER : ?
Both status data and event data can be stored in a database. True False TRUE ANSWER : ? YOUR ANSWER : ?
A data warehouse is which of the following? Contains only current data. Organized around important subject areas. Contains numerous naming conventions and formats. Can be updated by end users. TRUE ANSWER : ? YOUR ANSWER : ?
The load and index is which of the following? A process to reject data from the data warehouse and to create the necessary indexes A process to load the data in the data warehouse and to create the necessary indexes A process to upgrade the quality of data before it is moved into a data warehouse A process to upgrade the quality of data after it is moved into a data warehouse TRUE ANSWER : ? YOUR ANSWER : ?
Periodic data are data that are physically altered once added to the store. False True TRUE ANSWER : ? YOUR ANSWER : ?
Independent data marts are often created because an organization focuses on a series of short-term business objectives. False True TRUE ANSWER : ? YOUR ANSWER : ?
Data scrubbing can help upgrade data quality; it is not a long-term solution to the data quality problem. True False TRUE ANSWER : ? YOUR ANSWER : ?
A data mart is designed to optimize the performance for well-defined and predicable uses. False True TRUE ANSWER : ? YOUR ANSWER : ?
Transient data is which of the following? Data in which changes to existing records do not cause the previous version of the records to be eliminated Data in which changes to existing records cause the previous version of the records to be eliminated Data that are never deleted once they have been added Data that are never altered or deleted once they have been added TRUE ANSWER : ? YOUR ANSWER : ?