NeuroCard: One Cardinality Estimator for All Tables

15 Jun 2020Zongheng YangAmog KamsettySifei LuanEric LiangYan DuanXi ChenIon Stoica

Query optimizers rely on accurate cardinality estimates to produce good execution plans. Despite decades of research, existing cardinality estimators are inaccurate for complex queries, due to making lossy modeling assumptions and not capturing inter-table correlations... (read more)

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