Data Warehousing Most operational systems are based on the use of transient data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The @active data warehouse architecture includes which of the following? Near real-time updates At least one data mart Data that can extracted from numerous internal and external sources All of these Near real-time updates At least one data mart Data that can extracted from numerous internal and external sources All of these ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data transformation includes which of the following? Separating data from one source into various sources of data A process to change data from a detailed level to a summary level Joining data from one source into various sources of data A process to change data from a summary level to a detailed level Separating data from one source into various sources of data A process to change data from a detailed level to a summary level Joining data from one source into various sources of data A process to change data from a summary level to a detailed level 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 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 ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A data warehouse is which of the following? Contains only current data. Can be updated by end users. Contains numerous naming conventions and formats. Organized around important subject areas. Contains only current data. Can be updated by end users. Contains numerous naming conventions and formats. Organized around important subject areas. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A multifield transformation does which of the following? Converts data from multiple fields into one field All of these Converts data from multiple fields into multiple fields Converts data from one field into multiple fields Converts data from multiple fields into one field All of these Converts data from multiple fields into multiple fields Converts data from one field into multiple fields ANSWER DOWNLOAD EXAMIANS APP
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