Senior Data Engineer • Contractor / Freelancer • GCP & AWS Certified
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Apr 26 · 4 min read · If you've worked with BigQuery external tables before, you know the basic idea: a thin wrapper around data that resides somewhere else, but queryable from BigQuery. Sources include Cloud Storage, Goog
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Dec 7, 2025 · 1 min read · I've noticed that a new JSON function has been added (in Preview) in BigQuery SQL - JSON_FLATTEN(). It allows us to flatten JSON arrays and return a single flat ARRAY, no matter how many nested levels there are. So where is this actually useful?➡️ Ha...
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