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 star schema has what type of relationship between a dimension and fact table? One-to-one Many-to-many All of these One-to-many One-to-one Many-to-many All of these One-to-many ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Star schema is suited to online transaction processing, and therefore is generally used in operational systems, operational data stores, or an EDW. False True False True 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 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 Converts data from one field into multiple fields All of these ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A goal of data mining includes which of the following? To explain some observed event or condition To analyze data for expected relationships To confirm that data exists To create a new data warehouse To explain some observed event or condition To analyze data for expected relationships To confirm that data exists To create a new data warehouse ANSWER DOWNLOAD EXAMIANS APP
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