Data Warehousing A star schema has what type of relationship between a dimension and fact table? Many-to-many All of these One-to-one One-to-many Many-to-many All of these One-to-one One-to-many ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Reconciled data is which of the following? Data stored in the various operational systems throughout the organization. Data that has been selected and formatted for end-user support applications. Data stored in one operational system in the organization. Current data intended to be the single source for all decision support systems. Data stored in the various operational systems throughout the organization. Data that has been selected and formatted for end-user support applications. Data stored in one operational system in the organization. Current data intended to be the single source for all decision support systems. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Derived data are detailed, current data intended to be the single, authoritative source for all decision support applications. True False True False 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 summary level to a detailed level Joining data from one source into various sources of data A process to change data from a detailed level to a summary level Separating data from one source into various sources of data A process to change data from a summary level to a detailed level Joining data from one source into various sources of data A process to change data from a detailed level to a summary level ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A snowflake schema is which of the following types of tables? Helper Fact Dimension All of these Helper Fact Dimension All of these ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A data mart is designed to optimize the performance for well-defined and predicable uses. False True False True ANSWER DOWNLOAD EXAMIANS APP
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