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Towards Practical Differential Privacy for SQL Queries

Summary: Introduces elastic sensitivity, an upper bound on local sensitivity for general equijoins, enabling DP for practical SQL workloads. FLEX integrates this technique with existing databases, supporting real-world queries with just 0.03% overhead. (summarized by gpt-5.6-luna on Jul 24 2026)

Paper ID
he258ff519aa90629
Venue
VLDB
Year
2018
Pagerank
0.00022277389
Overall Rank
279 | 98.14%
DOI
10.1145/3177732.3177733

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@article{johnson_vldb18,
        title = {{Towards Practical Differential Privacy for SQL Queries}},
        author = {Johnson, Noah and Near, Joseph P. and Song, Dawn},
        journal = {PVLDB},
        series = {{VLDB} '18},
        volume = {11},
        number = {5},
        pages = {526--539},
        doi = {10.1145/3177732.3177733},
        url = {https://doi.org/10.1145/3177732.3177733},
        year = {2018}
}

Incoming Citations (Sorted by Pagerank)

Showing 50 of 62 citing papers.

Rank Citing Paper Year Venue Pagerank
1,170 PrivateSQL: A Differentially Private SQL Query Engine 2019 VLDB 0.00011687052
1,765 APOLLO: Automatic Detection and Diagnosis of Performance Regressions in Database Systems 2020 VLDB 9.689153e-05
2,032 Shrinkwrap: Efficient SQL Query Processing in Differentially Private Data Federations 2019 VLDB 9.1412376e-05
2,099 Optimizing error of high-dimensional statistical queries under differential privacy 2018 VLDB 9.0315525e-05
2,349 Answering Multi-Dimensional Analytical Queries under Local Differential Privacy 2019 SIGMOD 8.5881783e-05
2,465 Towards Practical Oblivious Join 2022 SIGMOD 8.4071729e-05
2,497 Computing Local Sensitivities of Counting Queries with Joins 2020 SIGMOD 8.365674e-05
2,593 Secure Yannakakis: Join-Aggregate Queries over Private Data 2021 SIGMOD 8.2282707e-05
3,255 LDP-IDS: Local Differential Privacy for Infinite Data Streams 2022 SIGMOD 7.4747693e-05
3,304 Kamino: Constraint-Aware Differentially Private Data Synthesis 2021 VLDB 7.4211095e-05
3,915 Adore: Differentially Oblivious Relational Database Operators 2023 VLDB 6.908248e-05
4,518 R2T: Instance-optimal Truncation for Differentially Private Query Evaluation with Foreign Keys 2022 SIGMOD 6.551704e-05
4,964 PrivLava: Synthesizing Relational Data with Foreign Keys under Differential Privacy 2023 SIGMOD 6.3234288e-05
5,076 IncShrink: Architecting Efficient Outsourced Databases using Incremental MPC and Differential Privacy 2022 SIGMOD 6.2720607e-05
5,740 Privacy Amplification via Shuffling: Unified, Simplified, and Tightened 2024 VLDB 5.9939789e-05
5,901 LDPTrace: Locally Differentially Private Trajectory Synthesis 2023 VLDB 5.9362782e-05
6,242 The Fast and the Private: Task-based Dataset Search 2024 CIDR 5.8223943e-05
6,520 DProvDB: Differentially Private Query Processing with Multi-Analyst Provenance 2023 SIGMOD 5.7391796e-05
6,677 Better than Composition: How to Answer Multiple Relational Queries under Differential Privacy 2023 SIGMOD 5.6958509e-05
6,823 Residual Sensitivity for Differentially Private Multi-Way Joins 2021 SIGMOD 5.656894e-05
7,116 PoneglyphDB: Efficient Non-interactive Zero-Knowledge Proofs for Arbitrary SQL-Query Verification 2025 SIGMOD 5.580601e-05
7,463 A Nearly Instance-optimal Differentially Private Mechanism for Conjunctive Queries 2022 PODS 5.505863e-05
7,506 DPGraph: A Benchmark Platform for Differentially Private Graph Analysis 2021 SIGMOD 5.4920201e-05
8,030 Differentially Private Data Release over Multiple Tables 2023 PODS 5.3871505e-05
8,103 Differentially Private Data Generation with Missing Data 2024 VLDB 5.3739121e-05
8,106 Saibot: A Differentially Private Data Search Platform 2023 VLDB 5.3739121e-05
8,192 Fast and Reliable Missing Data Contingency Analysis with Predicate-Constraints 2020 SIGMOD 5.3646457e-05
8,233 Contributions Estimation in Federated Learning: A Comprehensive Experimental Evaluation 2024 VLDB 5.3571186e-05
8,351 Continual Observation of Joins under Differential Privacy 2024 SIGMOD 5.3325743e-05
8,385 Local Dampening: Differential Privacy for Non-numeric Queries via Local Sensitivity 2021 VLDB 5.3259308e-05
8,443 Femur: A Flexible Framework for Fast and Secure Querying from Public Key-Value Store 2025 SIGMOD 5.3148581e-05
8,500 DP-Sync: Hiding Update Patterns in Secure Outsourced Databases with Differential Privacy 2021 SIGMOD 5.3131213e-05
8,910 DPXPlain: Privately Explaining Aggregate Query Answers 2023 VLDB 5.2369069e-05
9,016 Cache Me If You Can: Accuracy-Aware Inference Engine for Differentially Private Data Exploration 2023 VLDB 5.2232014e-05
9,380 DP-starJ: A Differential Private Scheme towards Analytical Star-Join Queries 2023 SIGMOD 5.1705808e-05
9,457 DPSAaS: Multi-Dimensional Data Sharing and Analytics as Services under Local Differential Privacy 2019 VLDB 5.1603336e-05
9,782 Free Gap Information from the Differentially Private Sparse Vector and Noisy Max Mechanisms 2020 VLDB 5.115551e-05
9,815 Answering Private Linear Queries Adaptively using the Common Mechanism 2023 VLDB 5.1115653e-05
9,929 HDPView: Differentially Private Materialized View for Exploring High Dimensional Relational Data 2022 VLDB 5.0966022e-05
10,003 Secure Sampling for Approximate Multi-party Query Processing 2023 SIGMOD 5.0845476e-05
10,058 PCOR: Private Contextual Outlier Release via Differentially Private Search 2021 SIGMOD 5.0763606e-05
10,069 Sypse: Privacy-first Data Management through Pseudonymization and Partitioning 2021 CIDR 5.0742132e-05
10,482 Acyclic Graph Pattern Counting under Local Differential Privacy 2026 SIGMOD 4.9605343e-05
10,515 Differentially Oblivious Multi-way Join 2026 SIGMOD 4.9605343e-05
10,571 Prism: Private Relational Data Synthesis with Language Models 2026 SIGMOD 4.9605343e-05
10,600 Differentially Private Explanations for Clusters 2026 SIGMOD 4.9605343e-05
10,615 A General Framework for Per-record Differential Privacy 2026 SIGMOD 4.9605343e-05
10,654 N2E: A General Framework to Reduce Node-Differential Privacy to Edge-Differential Privacy for Graph Analytics 2026 SIGMOD 4.9605343e-05
10,661 PrivAGS: Differentially Private Attributed Graph Synthesis 2026 SIGMOD 4.9605343e-05
10,896 Composition for Pufferfish Privacy 2026 VLDB 4.9605343e-05
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Outgoing Citations (Sorted by Pagerank)

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