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 snowflake schema is which of the following types of tables? Dimension Helper Fact All of these Dimension Helper Fact All of these ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Every key used to join the fact table with a dimensional table should be a surrogate key. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The load and index is which of the following? A process to load the data in the data warehouse and to create the necessary indexes A process to upgrade the quality of data after it is moved into a data warehouse A process to upgrade the quality of data before it is moved into a data warehouse A process to reject data from the data warehouse and to create the necessary indexes A process to load the data in the data warehouse and to create the necessary indexes A process to upgrade the quality of data after it is moved into a data warehouse A process to upgrade the quality of data before it is moved into a data warehouse A process to reject data from the data warehouse and to create the necessary indexes ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Periodic data are data that are physically altered once added to the store. 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 Converts data from multiple fields into multiple fields All of these Converts data from multiple fields into one field Converts data from one field into multiple fields Converts data from multiple fields into multiple fields All of these Converts data from multiple fields into one field ANSWER DOWNLOAD EXAMIANS APP
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