Data Warehousing A goal of data mining includes which of the following? To create a new data warehouse To confirm that data exists To explain some observed event or condition To analyze data for expected relationships To create a new data warehouse To confirm that data exists To explain some observed event or condition To analyze data for expected relationships ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A data mart is designed to optimize the performance for well-defined and predicable uses. False True False True 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 multifield transformation does which of the following? Converts data from one field into multiple fields All of these Converts data from multiple fields into multiple fields Converts data from multiple fields into one field Converts data from one field into multiple fields All of these Converts data from multiple fields into multiple fields Converts data from multiple fields into one field ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Transient data is which of the following? Data in which changes to existing records cause the previous version of the records to be eliminated Data that are never deleted once they have been added 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 in which changes to existing records cause the previous version of the records to be eliminated Data that are never deleted once they have been added 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 ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data in operational systems are typically fragmented and inconsistent. False True False True ANSWER DOWNLOAD EXAMIANS APP
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