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Sponsored AI Networking Cookbook: Practical recipes for AI-assisted network automation and development AI Networking Cookbook: Practical recipes for AI-assisted network automation and development

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Helen Sternbach

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Preprint Sep 2026

How Can We Shrink the Family of Test Databases? Query Containment with Nulls and Comparisons

Query containment and equivalence drive database query optimization and rewriting. For plain conjunctive queries, both are decided by evaluating one query over a single canonical database of the other. This classical test breaks down in two settings that pervade real queries: databases with null values under SQL's thre...

Helen Sternbach, Sara Cohen · 0 citations

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