Data transformation includes which of the following?
A. A process to change data from a detailed level to a summary level
B. A process to change data from a summary level to a detailed level
C. Joining data from one source into various sources of data
D. Separating data from one source into various sources of data
Answer: Option A
Solution (By Examveda Team)
Data transformation involves various processes that include:Changing data from a detailed level to a summary level: This process is a key aspect of data transformation where detailed data is aggregated or summarized to provide a higher-level view.
This process helps in creating summaries and reports that are useful for analysis and decision-making.
Other options involve joining or separating data, which are related to data integration and partitioning, not specifically to data transformation.
This Question Belongs to Database >> Data Warehousing
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