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How to Use Dataflow with BigQuery

SQLhard0.2 min readPremium
Frequency
Low
Asked at 1 company
Category
487
questions in SQL
Difficulty Split
130E|271M|86H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Tech Mahindra
Key Concepts Tested
bigquery
Expert AnswerPremium
35 wordsInterview-ready
**Dataflow** = managed Apache Beam (GCP). **Read**: beam.io.ReadFromBigQuery(query or table). **Write**: beam.io.WriteToBigQuery(table, schema). **Pipeline**: p | ReadFromBigQuery(...) | beam.Map(transform) | WriteToBigQuery(...). **Run**: --runner DataflowRunner. **Templates**: Save template for production; parametrized. **Tune**: Autoscaling; batch vs....
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