Existence and anti-joins
EXISTS and NOT EXISTS select records with or without matches without multiplying the selected rows.
4 minutes. No sign-up needed.
This lesson is part of the Data Analytics course.
Example plan3 lessons · 14 min
Effective-date joins4 min
Existence and anti-joinsRelational joins for analysis4 min
Challenge: Relational joins for analysisRelational joins for analysis6 min
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