Data Warehousing Most operational systems are based on the use of transient data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Joining is the process of partitioning data according to predefined criteria. True False True False 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 current data. A system that is used to support decision making and is based on current data. A system that is used to support decision making and is based on historical 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 run the business in real time and is based on current data. A system that is used to support decision making and is based on current data. A system that is used to support decision making and is based on historical data. A system that is used to run the business in real time and is based on historical data. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A goal of data mining includes which of the following? To analyze data for expected relationships To confirm that data exists To explain some observed event or condition To create a new data warehouse To analyze data for expected relationships To confirm that data exists To explain some observed event or condition To create a new data warehouse 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
Data Warehousing A star schema has what type of relationship between a dimension and fact table? All of these One-to-many One-to-one Many-to-many All of these One-to-many One-to-one Many-to-many ANSWER DOWNLOAD EXAMIANS APP
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