Data Warehousing A goal of data mining includes which of the following? 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 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Reconciled data is which of the following? Data stored in the various operational systems throughout the organization. Data stored in one operational system in the organization. Data that has been selected and formatted for end-user support applications. Current data intended to be the single source for all decision support systems. Data stored in the various operational systems throughout the organization. Data stored in one operational system in the organization. Data that has been selected and formatted for end-user support applications. Current data intended to be the single source for all decision support systems. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data scrubbing can help upgrade data quality; it is not a long-term solution to the data quality problem. False True False True 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 Successful data warehousing requires that a formal program in total quality management (TQM) be implemented. False True False True ANSWER DOWNLOAD EXAMIANS APP
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