Null-safe comparison: IS DISTINCT/NOT DISTINCT FROM
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Senior Data Engineer • Contractor / Freelancer • GCP & AWS Certified
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Practical SQL
Part 10 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.
Change history in BigQuery
Ever needed to track what changed in a table and when? In data engineering, this is known as Change Data Capture (CDC)—a fundamental challenge when dealing with evolving datasets. Now, the Change History features in BigQuery sound pretty interesting....
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