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Sampling-Based Query Re-Optimization

Summary: Sampling-based, low-cost post-processing detects likely cardinality-estimation errors in an optimizer’s plan and iteratively re-optimizes it with targeted sampling. Minimal integration burden—no changes to optimizer or evaluator—and low overhead demonstrated on PostgreSQL and two commercial systems. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
h36a13e9d959671ea
Venue
SIGMOD
Year
2016
Pagerank
0.00011310561
Overall Rank
1,257 | 91.56%
DOI
10.1145/2882903.2882914

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{wu_sigmod16,
        title = {{Sampling-Based Query Re-Optimization}},
        author = {Wu, Wentao and Naughton, Jeffrey F. and Singh, Harneet},
        series = {{SIGMOD} '16},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/2882903.2882914},
        url = {https://dl.acm.org/doi/10.1145/2882903.2882914},
        year = {2016}
}

Incoming Citations (Sorted by Pagerank)

Showing 35 of 35 citing papers.

Rank Citing Paper Year Venue Pagerank
85 Learned Cardinalities: Estimating Correlated Joins with Deep Learning 2019 CIDR 0.00035864347
461 An End-to-End Learning-based Cost Estimator 2020 VLDB 0.00017829982
688 Cardinality Estimation Done Right: Index-Based Join Sampling 2017 CIDR 0.00014753664
795 Random Sampling over Joins Revisited 2018 SIGMOD 0.00013938779
1,064 Are We Ready For Learned Cardinality Estimation? 2021 VLDB 0.00012202282
1,279 AI Meets AI: Leveraging Query Executions to Improve Index Recommendations 2019 SIGMOD 0.00011226878
1,603 SkinnerDB: Regret-Bounded Query Evaluation via Reinforcement Learning 2019 SIGMOD 0.00010097649
1,800 SkinnerDB: Regret-Bounded Query Evaluation via Reinforcement Learning 2018 VLDB 9.6093317e-05
2,522 Learned Cardinality Estimation: A Design Space Exploration and A Comparative Evaluation 2022 VLDB 8.3477168e-05
2,974 Accurate Summary-based Cardinality Estimation Through the Lens of Cardinality Estimation Graphs 2022 VLDB 7.7938744e-05
3,743 Logical and Physical Optimizations for SQL Query Execution over Large Language Models 2025 SIGMOD 7.0586112e-05
4,202 Kepler: Robust Learning for Faster Parametric Query Optimization 2023 SIGMOD 6.7374091e-05
4,234 Adaptive Statistics in Oracle 12c 2017 VLDB 6.7134191e-05
4,330 MNC: Structure-Exploiting Sparsity Estimation for Matrix Expressions 2019 SIGMOD 6.6595681e-05
4,711 Learned Index Benefits: Machine Learning Based Index Performance Estimation 2022 VLDB 6.4573842e-05
5,126 Monotonic Cardinality Estimation of Similarity Selection: A Deep Learning Approach 2020 SIGMOD 6.261175e-05
5,199 Exact Cardinality Query Optimization with Bounded Execution Cost 2019 SIGMOD 6.2327836e-05
5,831 Joins on Samples: A Theoretical Guide for Practitioners 2020 VLDB 5.9782109e-05
5,871 PilotScope: Steering Databases with Machine Learning Drivers 2024 VLDB 5.9639223e-05
5,902 Yannakakis+: Practical Acyclic Query Evaluation with Theoretical Guarantees 2025 SIGMOD 5.9536872e-05
6,660 Speeding Up End-to-end Query Execution via Learning-based Progressive Cardinality Estimation 2023 SIGMOD 5.7178404e-05
6,791 dbET: Execution Time Distribution-based Plan Selection 2023 SIGMOD 5.6811782e-05
7,072 Plan Stitch: Harnessing the Best of Many Plans 2018 VLDB 5.6074688e-05
7,954 Robust Query Processing: Mission Possible 2020 VLDB 5.4190023e-05
8,039 Efficiently Computing Join Orders with Heuristic Search 2023 SIGMOD 5.4017809e-05
8,164 Efficient Query Re-optimization with Judicious Subquery Selections 2023 SIGMOD 5.3852872e-05
8,276 Consistent and Flexible Selectivity Estimation for High-Dimensional Data 2021 SIGMOD 5.3641556e-05
8,345 MONSOON: Multi-Step Optimization and Execution of Queries with Partially Obscured Predicates 2020 SIGMOD 5.3511996e-05
8,524 ROME: Robust Query Optimization via Parallel Multi-Plan Execution 2024 SIGMOD 5.3231221e-05
8,850 SkinnerMT: Parallelizing for Efficiency and Robustness in Adaptive Query Processing on Multicore Platforms 2023 VLDB 5.2645282e-05
9,790 Wii: Dynamic Budget Reallocation In Index Tuning 2024 SIGMOD 5.1260323e-05
10,604 Understanding and Detecting Query Performance Regression in Practical Index Tuning: [Experiments & Analysis] 2026 SIGMOD 4.9793485e-05
10,918 Evaluating the Practical Effectiveness of LLM-Driven Index Tuning on Microsoft SQL Server 2026 VLDB 4.9793485e-05
11,224 Esc: An Early-Stopping Checker for Budget-aware Index Tuning 2025 VLDB 4.9793485e-05
11,443 LEAP: A Low-cost Spark SQL Query Optimizer using Pairwise Comparison 2025 VLDB 4.9793485e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 28 of 28 cited papers.

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

Rank Cited Paper Year Venue Pagerank
1 Access Path Selection in a Relational Database Management System 1979 SIGMOD 0.0023947656
79 Practical Selectivity Estimation through Adaptive Sampling 1990 SIGMOD 0.00036487763
98 LEO - DB2's LEarning Optimizer 2001 VLDB 0.00034106982
103 Selectivity Estimation Without the Attribute Value Independence Assumption 1997 VLDB 0.00033894985
119 Equi-Depth Histograms For Estimating Selectivity Factors For Multi-Dimensional Queries 1988 SIGMOD 0.0003137356
149 Efficient Mid-Query Re-Optimization of Sub-Optimal Query Execution Plans 1998 SIGMOD 0.00028981723
160 CORDS: Automatic Discovery of Correlations and Soft Functional Dependencies 2004 SIGMOD 0.00027837289
255 The History of Histograms (abridged) 2003 VLDB 0.00022981861
272 An Overview of Query Optimization in Relational Systems 1998 PODS 0.00022509573
286 Selectivity Estimation using Probabilistic Models 2001 SIGMOD 0.0002211981
289 Optimization of Dynamic Query Evaluation Plans 1994 SIGMOD 0.0002196543
295 Towards Estimation Error Guarantees for Distinct Values 2000 PODS 0.00021914399
371 STHoles: A Multidimensional Workload-Aware Histogram 2001 SIGMOD 0.00019829769
428 Tracking Join and Self-Join Sizes in Limited Storage 1999 PODS 0.0001845349
476 Dynamic Query Evaluation Plans 1989 SIGMOD 0.00017640534
481 Robust Query Processing through Progressive Optimization 2004 SIGMOD 0.00017603972
569 Towards a Robust Query Optimizer: A Principled and Practical Approach 2005 SIGMOD 0.00016245271
646 Exploiting Statistics on Query Expressions for Optimization 2002 SIGMOD 0.0001520859
750 Join Size Estimation Subject to Filter Conditions 2015 VLDB 0.00014265196
792 Parametric Query Optimization 1992 VLDB 0.00013942753
996 Analyzing Plan Diagrams of Database Query Optimizers 2005 VLDB 0.00012634603
1,060 Lightweight Graphical Models for Selectivity Estimation Without Independence Assumptions 2011 VLDB 0.00012224575
1,987 Plan Bouquets: Query Processing without Selectivity Estimation 2014 SIGMOD 9.250242e-05
2,373 To Tune or not to Tune? A Lightweight Physical Design Alerter 2006 VLDB 8.5606392e-05
3,519 Towards Predicting Query Execution Time for Concurrent and Dynamic Database Workloads 2013 VLDB 7.2389387e-05
4,069 Dynamically Optimizing Queries over Large Scale Data Platforms 2014 SIGMOD 6.821366e-05
5,470 A Pay-As-You-Go Framework for Query Execution Feedback 2008 VLDB 6.1182634e-05
5,656 Uncertainty Aware Query Execution Time Prediction 2014 VLDB 6.0488629e-05
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Semantically Similar Papers

# Overall Rank Paper Year Venue
1 5,199 Exact Cardinality Query Optimization with Bounded Execution Cost 2019 SIGMOD
2 79 Practical Selectivity Estimation through Adaptive Sampling 1990 SIGMOD
3 2,433 Cardinality Estimation Using Sample Views with Quality Assurance 2007 SIGMOD
4 481 Robust Query Processing through Progressive Optimization 2004 SIGMOD
5 149 Efficient Mid-Query Re-Optimization of Sub-Optimal Query Execution Plans 1998 SIGMOD
6 8,164 Efficient Query Re-optimization with Judicious Subquery Selections 2023 SIGMOD
7 688 Cardinality Estimation Done Right: Index-Based Join Sampling 2017 CIDR
8 386 Preventing Bad Plans by Bounding the Impact of Cardinality Estimation Errors 2009 VLDB
9 9,632 Small Selectivities Matter: Lifting the Burden of Empty Samples 2021 SIGMOD
10 569 Towards a Robust Query Optimizer: A Principled and Practical Approach 2005 SIGMOD