Revisiting Why SQL’s Order of Execution Matters
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Senior Data Engineer • Contractor / Freelancer • GCP & AWS Certified
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Practical SQL
Part 15 of 50
Short, practical posts on SQL and BigQuery — from core language features to advanced query patterns. A reference for data practitioners at every level.
A closer look at STRING_AGG in BigQuery
Modern SQL engines have a wealth of aggregation functions. Here's a quick example that makes use ofBigQuery STRING_AGG. What does it do? It aggregates all the values in a grouping, joined by a separator of our choice, creating a string of those joine...
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