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#14 In which of the following situations would a subquery be most useful? SELECT ONE OF THE FOLLOWING (1 PT) A. You need to create

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#14 In which of the following situations would a subquery be most useful? SELECT ONE OF THE FOLLOWING (1 PT) A. You need to create groups to aggregate on, based on data in the database B. You need to append the results of two queries C. You need a table that doesn't exist in the database, based on data in the database D. You need a set of columns that pull data from one column in the database

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