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Efficient Query Re-optimization with Judicious Subquery Selections

Summary: QuerySplit re-optimization generates subqueries from the logical plan, not the global plan. A cost function favors small, low-damage subqueries to delay large joins; in PostgreSQL, it yields 35% faster JOB vs baselines, within 4% of optimal. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
6688
Venue
SIGMOD
Year
2023
Pagerank
4.3097631e-05
Overall Rank
9,662 | 32.79%
DOI
10.1145/3589330

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Showing 29 of 29 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
71 How Good Are Query Optimizers, Really? 2016 VLDB 0.00059038975
99 On the Propagation of Errors in the Size of Join Results 1991 SIGMOD 0.00050022914
115 Eddies: Continuously Adaptive Query Processing 2000 SIGMOD 0.00046221215
182 LEO - DB2's LEarning Optimizer 2001 VLDB 0.00036962631
204 Learned Cardinalities: Estimating Correlated Joins with Deep Learning 2019 CIDR 0.00034784455
220 Efficient Mid-Query Re-Optimization of Sub-Optimal Query Execution Plans 1998 SIGMOD 0.00033194808
333 Neo: A Learned Query Optimizer 2019 VLDB 0.00027206884
454 An Overview of Query Optimization in Relational Systems 1998 PODS 0.00022734812
608 DeepDB: Learn from Data, not from Queries! 2020 VLDB 0.00019235898
650 Robust Query Processing through Progressive Optimization 2004 SIGMOD 0.00018659177
758 Deep Unsupervised Cardinality Estimation 2020 VLDB 0.0001706608
806 An End-to-End Learning-based Cost Estimator 2020 VLDB 0.00016434274
910 NeuroCard: One Cardinality Estimator for All Tables 2021 VLDB 0.00015423056
1,105 Cardinality Estimation Done Right: Index-Based Join Sampling 2017 CIDR 0.00013990395
1,547 Lightweight Graphical Models for Selectivity Estimation Without Independence Assumptions 2011 VLDB 0.00011442359
1,703 Are We Ready For Learned Cardinality Estimation? 2021 VLDB 0.00010836769
1,737 QuickSel: Quick Selectivity Learning with Mixture Models 2020 SIGMOD 0.00010720294
1,758 Sampling-Based Query Re-Optimization 2016 SIGMOD 0.00010655546
2,142 Pessimistic Cardinality Estimation: Tighter Upper Bounds for Intermediate Join Cardinalities 2019 SIGMOD 9.4507296e-05
2,165 Self-Tuning, GPU-Accelerated Kernel Density Models for Multidimensional Selectivity Estimation 2015 SIGMOD 9.389622e-05
2,364 Deep Learning Models for Selectivity Estimation of Multi-Attribute Queries 2020 SIGMOD 8.9554751e-05
2,985 DSB: A Decision Support Benchmark for Workload-Driven and Traditional Database Systems 2021 VLDB 7.7795847e-05
3,449 Learned Cardinality Estimation: A Design Space Exploration and A Comparative Evaluation 2022 VLDB 7.0824319e-05
3,725 Estimating Cardinalities with Deep Sketches 2019 SIGMOD 6.8170734e-05
3,954 Efficiently Approximating Selectivity Functions using Low Overhead Regression Models 2020 VLDB 6.5926838e-05
4,523 Simplicity Done Right for Join Ordering 2021 CIDR 6.1135504e-05
4,617 Adaptive Query Processing in the Looking Glass 2005 CIDR 6.0446738e-05
6,763 Robustness Metrics for Relational Query Execution Plans 2018 VLDB 4.9338479e-05
8,213 On the Calculation of Optimality Ranges for Relational Query Execution Plans 2018 SIGMOD 4.557937e-05
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