Data Warehousing A data warehouse is which of the following? Can be updated by end users. Organized around important subject areas. Contains only current data. Contains numerous naming conventions and formats. Can be updated by end users. Organized around important subject areas. Contains only current data. Contains numerous naming conventions and formats. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Every key used to join the fact table with a dimensional table should be a surrogate key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A snowflake schema is which of the following types of tables? Dimension Fact All of these Helper Dimension Fact All of these Helper ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Reconciled data is which of the following? Data stored in the various operational systems throughout the organization. Current data intended to be the single source for all decision support systems. Data that has been selected and formatted for end-user support applications. Data stored in one operational system in the organization. Data stored in the various operational systems throughout the organization. Current data intended to be the single source for all decision support systems. Data that has been selected and formatted for end-user support applications. Data stored in one operational system in the organization. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A goal of data mining includes which of the following? To analyze data for expected relationships To create a new data warehouse To explain some observed event or condition To confirm that data exists To analyze data for expected relationships To create a new data warehouse To explain some observed event or condition To confirm that data exists ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The @active data warehouse architecture includes which of the following? Near real-time updates All of these At least one data mart Data that can extracted from numerous internal and external sources Near real-time updates All of these At least one data mart Data that can extracted from numerous internal and external sources ANSWER DOWNLOAD EXAMIANS APP