Data Warehousing Data in operational systems are typically fragmented and inconsistent. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data scrubbing is which of the following? A process to load the data in the data warehouse and to create the necessary indexes A process to reject data from the data warehouse and to create the necessary indexes A process to upgrade the quality of data before it is moved into a data warehouse A process to upgrade the quality of data after it is moved into a data warehouse A process to load the data in the data warehouse and to create the necessary indexes A process to reject data from the data warehouse and to create the necessary indexes A process to upgrade the quality of data before it is moved into a data warehouse A process to upgrade the quality of data after it is moved into a data warehouse 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 A multifield transformation does which of the following? Converts data from multiple fields into multiple fields All of these Converts data from one field into multiple fields Converts data from multiple fields into one field Converts data from multiple fields into multiple fields All of these Converts data from one field into multiple fields Converts data from multiple fields into one field ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A data warehouse is which of the following? Contains numerous naming conventions and formats. Can be updated by end users. Contains only current data. Organized around important subject areas. Contains numerous naming conventions and formats. Can be updated by end users. Contains only current data. Organized around important subject areas. 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 that are never altered or deleted once they have been added Data in which changes to existing records cause the previous version of the records to be eliminated 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 that are never altered or deleted once they have been added Data in which changes to existing records cause the previous version of the records to be eliminated ANSWER DOWNLOAD EXAMIANS APP
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