Data Warehousing A data warehouse is which of the following? 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. Contains only current data. Organized around important subject areas. Contains numerous naming conventions and formats. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A star schema has what type of relationship between a dimension and fact table? All of these One-to-one Many-to-many One-to-many All of these One-to-one Many-to-many One-to-many ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Periodic data are data that are physically altered once added to the store. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Static extract is used for ongoing warehouse maintenance. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data scrubbing is which of the following? A process to upgrade the quality of data after it is moved into a data warehouse 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 reject data from the data warehouse and to create the necessary indexes A process to upgrade the quality of data after it is moved into a data warehouse 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 reject data from the data warehouse and to create the necessary indexes ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A goal of data mining includes which of the following? To confirm that data exists To explain some observed event or condition To analyze data for expected relationships To create a new data warehouse To confirm that data exists To explain some observed event or condition To analyze data for expected relationships To create a new data warehouse ANSWER DOWNLOAD EXAMIANS APP