Data Warehousing A snowflake schema is which of the following types of tables? Fact Helper Dimension All of these Fact Helper Dimension All of these ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing An operational system is which of the following? A system that is used to run the business in real time and is based on historical data. A system that is used to support decision making and is based on historical data. A system that is used to support decision making and is based on current data. A system that is used to run the business in real time and is based on current data. A system that is used to run the business in real time and is based on historical data. A system that is used to support decision making and is based on historical data. A system that is used to support decision making and is based on current data. A system that is used to run the business in real time and is based on current data. 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 A data mart is designed to optimize the performance for well-defined and predicable uses. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data transformation includes which of the following? Joining data from one source into various sources of data A process to change data from a summary level to a detailed level A process to change data from a detailed level to a summary level Separating data from one source into various sources of data Joining data from one source into various sources of data A process to change data from a summary level to a detailed level A process to change data from a detailed level to a summary level Separating data from one source into various sources of data ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The role of the ETL process is to identify erroneous data and to fix them. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS