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Towards a Robust Query Optimizer: A Principled and Practical Approach

Summary: Proposes robust query optimization by treating cardinality estimation probabilistically rather than exact. A Bayesian, sample-based estimator from precomputed samples captures correlations and enables performance/predictability tradeoffs, integrating with optimizers. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
3691
Venue
SIGMOD
Year
2005
Pagerank
0.00016436005
Overall Rank
566 | 96.12%
DOI
10.1145/1066157.1066172

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{babcock_sigmod05,
        title = {{Towards a Robust Query Optimizer: A Principled and Practical Approach}},
        author = {Babcock, Brian and Chaudhuri, Surajit},
        series = {{SIGMOD} '05},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/1066157.1066172},
        url = {https://dl.acm.org/doi/10.1145/1066157.1066172},
        year = {2005}
}

Incoming Citations (Sorted by Pagerank)

Showing 45 of 45 citing papers.

Rank Citing Paper Year Venue Pagerank
18 How Good Are Query Optimizers, Really? 2016 VLDB 0.00059284255
154 Neo: A Learned Query Optimizer 2019 VLDB 0.00028726181
563 Plan-Structured Deep Neural Network Models for Query Performance Prediction 2019 VLDB 0.0001650812
829 Proactive Re-Optimization 2005 SIGMOD 0.00013769838
1,256 Sampling-Based Query Re-Optimization 2016 SIGMOD 0.00011457194
1,499 Pessimistic Cardinality Estimation: Tighter Upper Bounds for Intermediate Join Cardinalities 2019 SIGMOD 0.00010564536
1,712 SkinnerDB: Regret-Bounded Query Evaluation via Reinforcement Learning 2019 SIGMOD 9.9492299e-05
1,815 SkinnerDB: Regret-Bounded Query Evaluation via Reinforcement Learning 2018 VLDB 9.6894541e-05
1,987 Plan Bouquets: Query Processing without Selectivity Estimation 2014 SIGMOD 9.3517129e-05
2,540 Multi-Objective Parametric Query Optimization 2015 VLDB 8.45187e-05
2,762 Cost-based or Learning-based? A Hybrid Query Optimizer for Query Plan Selection 2022 VLDB 8.1539867e-05
2,944 Query Optimizers: Time to Rethink the Contract? 2009 SIGMOD 7.9335187e-05
3,051 Towards a Hands-Free Query Optimizer through Deep Learning 2019 CIDR 7.8121919e-05
3,235 Large-Scale Collective Entity Matching 2011 VLDB 7.6139368e-05
3,506 Identifying Robust Plans through Plan Diagram Reduction 2008 VLDB 7.3581509e-05
3,513 Variance Aware Optimization of Parameterized Queries 2010 SIGMOD 7.354613e-05
3,571 Looking Ahead Makes Query Plans Robust: Making the Initial Case with In-Memory Star Schema Data Warehouse Workloads 2017 VLDB 7.2991953e-05
4,444 Xplus: A SQL-Tuning-Aware Query Optimizer 2010 VLDB 6.6999439e-05
5,124 Approximation Schemes for Many-Objective Query Optimization 2014 SIGMOD 6.3567981e-05
5,137 Exact Cardinality Query Optimization with Bounded Execution Cost 2019 SIGMOD 6.3507372e-05
5,222 CliffGuard: A Principled Framework for Finding Robust Database Designs 2015 SIGMOD 6.3103741e-05
5,281 Leveraging Re-costing for Online Optimization of Parameterized Queries with Guarantees 2017 SIGMOD 6.2842378e-05
5,365 A Pay-As-You-Go Framework for Query Execution Feedback 2008 VLDB 6.2462467e-05
5,514 StatAdvisor: Recommending Statistical Views 2009 VLDB 6.1901666e-05
5,529 Debunking the Myth of Join Ordering: Toward Robust SQL Analytics 2025 SIGMOD 6.18591e-05
5,537 Uncertainty Aware Query Execution Time Prediction 2014 VLDB 6.1820087e-05
5,898 On the Stability of Plan Costs and the Costs of Plan Stability 2010 VLDB 6.0471908e-05
6,019 Robustness Metrics for Relational Query Execution Plans 2018 VLDB 6.0060149e-05
6,116 Warding off the Dangers of Data Corruption with Amulet 2011 SIGMOD 5.9709129e-05
6,688 ROX: Run-time Optimization of XQueries 2009 SIGMOD 5.8015211e-05
7,193 dbET: Execution Time Distribution-based Plan Selection 2023 SIGMOD 5.6770249e-05
7,655 Plan Stitch: Harnessing the Best of Many Plans 2018 VLDB 5.5741093e-05
7,882 Efficiently Computing Join Orders with Heuristic Search 2023 SIGMOD 5.5237338e-05
8,211 MONSOON: Multi-Step Optimization and Execution of Queries with Partially Obscured Predicates 2020 SIGMOD 5.4658735e-05
8,305 PARQO: Penalty-Aware Robust Plan Selection in Query Optimization 2024 VLDB 5.4568571e-05
9,455 Small Selectivities Matter: Lifting the Burden of Empty Samples 2021 SIGMOD 5.2653318e-05
9,796 ROME: Robust Query Optimization via Parallel Multi-Plan Execution 2024 SIGMOD 5.21848e-05
10,151 Coresets for Robust Query Optimization 2026 PODS 5.093636e-05
10,494 RIB: Robust Learning-based Index Benefit Estimation 2026 SIGMOD 5.093636e-05
10,881 Robust Plan Evaluation based on Approximate Probabilistic Machine Learning 2025 VLDB 5.093636e-05
10,884 Conformal Prediction for Verifiable Learned Query Optimization 2025 VLDB 5.093636e-05
10,986 PAR2QO: Parametric Penalty-Aware Robust Query Optimization 2025 VLDB 5.093636e-05
11,902 Tighter Upper Bounds for Join Cardinality Estimates 2018 SIGMOD 5.093636e-05
12,505 Large-Scale Uncertainty Management Systems: Learning and Exploiting Your Data (Tutorial Summary) 2009 SIGMOD 5.093636e-05
12,681 Asking the Right Questions: Model-driven Optimization using Probes 2006 PODS 5.093636e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 19 of 19 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 0.0024089429
35 Improved Histograms for Selectivity Estimation of Range Predicates 1996 SIGMOD 0.00048481081
75 Sampling-Based Estimation of the Number of Distinct Values of an Attribute 1995 VLDB 0.00037277061
76 Practical Selectivity Estimation through Adaptive Sampling 1990 SIGMOD 0.00037054261
89 On the Propagation of Errors in the Size of Join Results 1991 SIGMOD 0.00035031529
101 Selectivity Estimation Without the Attribute Value Independence Assumption 1997 VLDB 0.00034376651
118 Equi-Depth Histograms For Estimating Selectivity Factors For Multi-Dimensional Queries 1988 SIGMOD 0.00031922279
136 Join Synopses for Approximate Query Answering 1999 SIGMOD 0.00030123303
168 Wavelet-Based Histograms for Selectivity Estimation 1998 SIGMOD 0.00027541029
222 Adaptive Selectivity Estimation Using Query Feedback 1994 SIGMOD 0.00024193708
257 The History of Histograms (abridged) 2003 VLDB 0.00023154793
267 Optimal Histograms with Quality Guarantees 1998 VLDB 0.00022798161
280 Selectivity Estimation using Probabilistic Models 2001 SIGMOD 0.00022454217
339 Sequential Sampling Procedures For Query Size Estimation 1992 SIGMOD 0.00020723773
692 Independence is Good: Dependency-Based Histogram Synopses for High-Dimensional Data 2001 SIGMOD 0.00014919816
1,053 Multi-dimensional Selectivity Estimation Using Compressed Histogram Information 1999 SIGMOD 0.00012401532
1,104 Least Expected Cost Query Optimization: An Exercise in Utility 1999 PODS 0.00012157634
1,795 Least Expected Cost Query Optimization: What Can We Expect? 2002 PODS 9.738718e-05
2,149 Probabilistic Optimization of Top N Queries 1999 VLDB 9.0821709e-05
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# Overall Rank Paper Year Venue
1 492 Robust Query Processing through Progressive Optimization 2004 SIGMOD
2 1,122 Cardinality Estimation in DBMS: A Comprehensive Benchmark Evaluation 2022 VLDB
3 5,537 Uncertainty Aware Query Execution Time Prediction 2014 VLDB
4 1,061 Are We Ready For Learned Cardinality Estimation? 2021 VLDB
5 7,495 On the Calculation of Optimality Ranges for Relational Query Execution Plans 2018 SIGMOD
6 1,256 Sampling-Based Query Re-Optimization 2016 SIGMOD
7 682 Robust Estimation of Resource Consumption for SQL Queries using Statistical Techniques 2012 VLDB
8 10,881 Robust Plan Evaluation based on Approximate Probabilistic Machine Learning 2025 VLDB
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