SEMI-JOINS in SQL
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Senior Data Engineer • Contractor / Freelancer • GCP & AWS Certified
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Practical SQL
Part 33 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.
Anti-joins in SQL
Here's the SQL Anti-Join, another type of join that doesn't have its own keyword but it's very much a thing. You might have used it a lot of times before 😁 So, what does it do? The anti-join retains all the rows in one table that are not also found ...
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