Q. What is the term used to describe the process of applying ongoing changes to the data warehouse in a periodic manner?

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Q. When does a "full refresh" in data loading occur?

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Q. Why is it important to divide the whole load process into smaller chunks when loading the data warehouse?

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Q. What is a key consideration when transporting load images to the data warehouse server from a different location?

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Q. In the context of data loading, what is the primary difference between an "append" and a "load" operation?

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Q. What happens during a "destructive merge" when the primary key of an incoming record matches the key of an existing record?

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Q. How is "constructive merge" different from "destructive merge" in data loading?

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Q. Which mode of applying data is used when the target table is already empty before loading?

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Q. In which scenario during the initial load of a data warehouse table is the "load" mode typically used?

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Q. What mode is appropriate for preserving the periodic nature of changes in incremental loads of a data warehouse?

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Q. In which scenario is the "destructive merge" mode applicable when applying data to a data warehouse table?

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Q. How are full refreshes different from initial loads in terms of data application modes?

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Q. What are the two methods for maintaining a data warehouse and keeping it up to date after the initial load?

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Q. When might a full refresh be a better option than an update for keeping a data warehouse up to date?

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Q. What is the primary reason for converting production system keys to system-generated keys in the data warehouse?

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Q. What is the key of the fact table in a data warehouse based on?

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Q. What is the primary function of ETL (Extraction, Transformation, and Loading) in a data warehouse?

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Q. Why is data extraction for a data warehouse an ongoing function carried out at very frequent intervals?

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Q. What is the key difference between data loading in a data warehouse and data loading for a new operational system?

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Q. What role do vendor tools play in the ETL process for data warehousing?

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