Controlling ordering of NULL values in the ORDER BY clause
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Senior Data Engineer • Contractor / Freelancer • GCP & AWS Certified
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BigQuery Window Functions
Part 9 of 13
A focused guide to window functions in BigQuery — cumulative sums, rolling averages, ranking functions, named windows, RANGE frames, and more.
Choosing the Right Ranking Function: Why Ties in SQL Matter
If you’re like me, you probably use QUALIFY + ROW_NUMBER() almost daily for deduplication or finding the first/last occurrence of something. It’s a powerful combo in modern SQL ! But here’s the catch: there are subtle nuances and edge cases that can ...
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