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PROFESSIONAL-DATA-ENGINEER · Question #46

PROFESSIONAL-DATA-ENGINEER Question #46: Real Exam Question with Answer & Explanation

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Submitted by kim_seoul· Mar 30, 2026

Question

You work for a large fast food restaurant chain with over 400,000 employees. You store employee information in Google BigQuery in a Users table consisting of a FirstName field and a LastName field. A member of IT is building an application and asks you to modify the schema and data in BigQuery so the application can query a FullName field consisting of the value of the FirstName field concatenated with a space, followed by the value of the LastName field for each employee. How can you make that data available while minimizing cost?

Options

  • ACreate a view in BigQuery that concatenates the FirstName and LastName field values to produce the FullName.
  • BAdd a new column called FullName to the Users table. Run an UPDATE statement that updates the FullName column for each user with the concatenation of
  • CCreate a Google Cloud Dataflow job that queries BigQuery for the entire Users table, concatenates the FirstName value and LastName value for each user,
  • DUse BigQuery to export the data for the table to a CSV file. Create a Google Cloud Dataproc job to process the CSV file and output a new CSV file containing

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