Data Warehousing Both status data and event data can be stored in a database. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Every key used to join the fact table with a dimensional table should be a surrogate key. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing An operational system is which of the following? 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 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 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 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 Transient data is which of the following? Data in which changes to existing records do not cause the previous version of the records to be eliminated 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 that are never altered or deleted once they have been added Data in which changes to existing records do not cause the previous version of the records to be eliminated 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 that are never altered or deleted once they have been added ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The @active data warehouse architecture includes which of the following? Data that can extracted from numerous internal and external sources Near real-time updates At least one data mart All of these Data that can extracted from numerous internal and external sources Near real-time updates At least one data mart All of these ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A star schema has what type of relationship between a dimension and fact table? All of these Many-to-many One-to-many One-to-one All of these Many-to-many One-to-many One-to-one ANSWER DOWNLOAD EXAMIANS APP
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