Data Warehousing Most operational systems are based on the use of transient data. True False True False 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 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 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 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 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 current data. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A multifield transformation does which of the following? Converts data from multiple fields into multiple fields All of these Converts data from multiple fields into one field Converts data from one field into multiple fields Converts data from multiple fields into multiple fields All of these Converts data from multiple fields into one field Converts data from one field into multiple fields ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A goal of data mining includes which of the following? To analyze data for expected relationships To explain some observed event or condition To confirm that data exists To create a new data warehouse To analyze data for expected relationships To explain some observed event or condition To confirm that data exists To create a new data warehouse ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Transient data is which of the following? Data that are never altered or deleted once they have been added Data that are never 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 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 that are never 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 in which changes to existing records cause the previous version of the records to be eliminated ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The @active data warehouse architecture includes which of the following? 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 Data that can extracted from numerous internal and external sources Near real-time updates At least one data mart ANSWER DOWNLOAD EXAMIANS APP