Data Warehousing Both status data and event data can be stored in a database. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Most operational systems are based on the use of transient data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing 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. Contains only current data. Organized around important subject areas. Contains numerous naming conventions and formats. Can be updated by end users. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Transient data is which of the following? Data in which changes to existing records cause the previous version of the records to be eliminated Data in which changes to existing records do not cause the previous version of the records to be eliminated Data that are never altered or deleted once they have been added Data that are never deleted once they have been added Data in which changes to existing records cause the previous version of the records to be eliminated Data in which changes to existing records do not cause the previous version of the records to be eliminated Data that are never altered or deleted once they have been added Data that are never deleted once they have been added ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A star schema has what type of relationship between a dimension and fact table? One-to-many One-to-one Many-to-many All of these One-to-many One-to-one Many-to-many All of these ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Fact tables are which of the following? Partially normalized Partially denoralized Completely denoralized Completely normalized Partially normalized Partially denoralized Completely denoralized Completely normalized ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS