Q. When might you need to perform the selection task during data transformation?

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Q. What is the purpose of the splitting/joining task in data transformation?

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Q. What does the conversion task primarily aim to achieve in data transformation?

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Q. When might summarization be part of the data transformation function?

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Q. What does the enrichment task involve in data transformation?

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Q. Which of the following is a common transformation type that involves changes to the data types and lengths of individual fields?

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Q. What does decoding of fields typically involve in data transformation?

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Q. When is the splitting of single fields necessary in data transformation?

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Q. What is the purpose of merging of information in data transformation?

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Q. In data transformation, what is an example of a calculated and derived value?

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Q. What does character set conversion in data transformation primarily involve?

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Q. When might a company need to convert units of measurements in data transformation?

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Q. What is the purpose of date/time conversion in data transformation?

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Q. What does key restructuring in data transformation involve?

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Q. What does deduplication in data transformation refer to?

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Q. What is the primary challenge in ETL functions when dealing with source data from disparate systems?

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Q. What does data integration and consolidation involve in the context of ETL functions?

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Q. What is the Entity Identification Problem in the context of data integration?

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Q. What is one approach to solving the Entity Identification Problem?

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Q. How do some companies handle the Entity Identification Problem in two phases?

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