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PROFESSIONAL-DATA-ENGINEER · Question #213

The marketing team at your organization provides regular updates of a segment of your customer dataset. The marketing team has given you a CSV with 1 million

The correct answer is D. Import the new records from the CSV file into a new BigQuery table. Create a BigQuery job that merges the new records with the existing records and writes. Explanation/Reference: https://cloud.google.com/blog/products/gcp/performing-large-scale-mutations-in-bigquery

Submitted by deeparc· Mar 30, 2026Building and operationalizing data processing systems

Question

The marketing team at your organization provides regular updates of a segment of your customer dataset. The marketing team has given you a CSV with 1 million

Options

  • BIncrease the BigQuery UPDATE DML statement limit in the Quota management section of the Google Cloud Platform Console.
  • CSplit the source CSV file into smaller CSV files in Cloud Storage to reduce the number of BigQuery UPDATE DML statements per BigQuery job.
  • DImport the new records from the CSV file into a new BigQuery table. Create a BigQuery job that merges the new records with the existing records and writes

How the community answered

(16 responses)
  • B
    6% (1)
  • C
    13% (2)
  • D
    81% (13)

Explanation

Explanation/Reference: https://cloud.google.com/blog/products/gcp/performing-large-scale-mutations-in-bigquery

Topics

#BigQuery DML#MERGE statement#batch updates#data ingestion

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