When creating a data warehouse, ________ is the process that extracts data from source databases, reformats the data, and stores them in the warehouse.
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Q56: Primary keys must be numbers that already
Q57: NoSQL databases are good for unstructured data.
Q58: A database schema (dictionary) defines the name,
Q59: When data is kept in one location,
Q60: A knowledge-based system is an analysis tool
Q62: In a relational database, a(n) _ relationship
Q63: Text is an example of unstructured data.
Q64: A data dictionary is also referred to
Q65: When working with a relational database, each
Q66: A(n) _ provides a view of data
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