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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
11950
Venue
VLDB
Year
2018
Pagerank
0.00022445849
Overall Rank
281 | 98.08%
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 61 citing papers.

Rank Citing Paper Year Venue Pagerank
1,144 PrivateSQL: A Differentially Private SQL Query Engine 2019 VLDB 0.00011999046
1,984 Shrinkwrap: Efficient SQL Query Processing in Differentially Private Data Federations 2019 VLDB 9.3540912e-05
2,030 APOLLO: Automatic Detection and Diagnosis of Performance Regressions in Database Systems 2020 VLDB 9.2841464e-05
2,167 Optimizing error of high-dimensional statistical queries under differential privacy 2018 VLDB 9.047803e-05
2,279 Answering Multi-Dimensional Analytical Queries under Local Differential Privacy 2019 SIGMOD 8.8155688e-05
2,417 Towards Practical Oblivious Join 2022 SIGMOD 8.6061949e-05
2,436 Computing Local Sensitivities of Counting Queries with Joins 2020 SIGMOD 8.5806427e-05
2,573 Secure Yannakakis: Join-Aggregate Queries over Private Data 2021 SIGMOD 8.4015654e-05
3,166 LDP-IDS: Local Differential Privacy for Infinite Data Streams 2022 SIGMOD 7.6752517e-05
3,412 Kamino: Constraint-Aware Differentially Private Data Synthesis 2021 VLDB 7.4344343e-05
3,859 Adore: Differentially Oblivious Relational Database Operators 2023 VLDB 7.0670506e-05
4,394 R2T: Instance-optimal Truncation for Differentially Private Query Evaluation with Foreign Keys 2022 SIGMOD 6.7274063e-05
4,827 PrivLava: Synthesizing Relational Data with Foreign Keys under Differential Privacy 2023 SIGMOD 6.4895329e-05
4,930 IncShrink: Architecting Efficient Outsourced Databases using Incremental MPC and Differential Privacy 2022 SIGMOD 6.4402718e-05
5,595 Privacy Amplification via Shuffling: Unified, Simplified, and Tightened 2024 VLDB 6.1548101e-05
5,763 LDPTrace: Locally Differentially Private Trajectory Synthesis 2023 VLDB 6.0955612e-05
6,094 The Fast and the Private: Task-based Dataset Search 2024 CIDR 5.9786215e-05
6,376 DProvDB: Differentially Private Query Processing with Multi-Analyst Provenance 2023 SIGMOD 5.893174e-05
6,534 Better than Composition: How to Answer Multiple Relational Queries under Differential Privacy 2023 SIGMOD 5.8486828e-05
6,666 Residual Sensitivity for Differentially Private Multi-Way Joins 2021 SIGMOD 5.8086805e-05
7,292 A Nearly Instance-optimal Differentially Private Mechanism for Conjunctive Queries 2022 PODS 5.653597e-05
7,338 DPGraph: A Benchmark Platform for Differentially Private Graph Analysis 2021 SIGMOD 5.6393827e-05
7,850 Differentially Private Data Release over Multiple Tables 2023 PODS 5.5316993e-05
7,909 Differentially Private Data Generation with Missing Data 2024 VLDB 5.5181056e-05
7,914 Saibot: A Differentially Private Data Search Platform 2023 VLDB 5.5181056e-05
8,002 Fast and Reliable Missing Data Contingency Analysis with Predicate-Constraints 2020 SIGMOD 5.5085906e-05
8,045 Contributions Estimation in Federated Learning: A Comprehensive Experimental Evaluation 2024 VLDB 5.5008615e-05
8,158 Continual Observation of Joins under Differential Privacy 2024 SIGMOD 5.4756587e-05
8,198 Local Dampening: Differential Privacy for Non-numeric Queries via Local Sensitivity 2021 VLDB 5.4688368e-05
8,249 Femur: A Flexible Framework for Fast and Secure Querying from Public Key-Value Store 2025 SIGMOD 5.4574671e-05
8,311 DP-Sync: Hiding Update Patterns in Secure Outsourced Databases with Differential Privacy 2021 SIGMOD 5.4556836e-05
8,719 DPXPlain: Privately Explaining Aggregate Query Answers 2023 VLDB 5.3774243e-05
8,843 Cache Me If You Can: Accuracy-Aware Inference Engine for Differentially Private Data Exploration 2023 VLDB 5.3589295e-05
9,171 DP-starJ: A Differential Private Scheme towards Analytical Star-Join Queries 2023 SIGMOD 5.3093185e-05
9,248 DPSAaS: Multi-Dimensional Data Sharing and Analytics as Services under Local Differential Privacy 2019 VLDB 5.2987963e-05
9,569 Free Gap Information from the Differentially Private Sparse Vector and Noisy Max Mechanisms 2020 VLDB 5.2528121e-05
9,602 Answering Private Linear Queries Adaptively using the Common Mechanism 2023 VLDB 5.2487195e-05
9,717 HDPView: Differentially Private Materialized View for Exploring High Dimensional Relational Data 2022 VLDB 5.2333549e-05
9,770 PoneglyphDB: Efficient Non-interactive Zero-Knowledge Proofs for Arbitrary SQL-Query Verification 2025 SIGMOD 5.2209769e-05
9,785 Secure Sampling for Approximate Multi-party Query Processing 2023 SIGMOD 5.2209769e-05
9,830 PCOR: Private Contextual Outlier Release via Differentially Private Search 2021 SIGMOD 5.2125702e-05
9,839 Sypse: Privacy-first Data Management through Pseudonymization and Partitioning 2021 CIDR 5.2103651e-05
10,188 Acyclic Graph Pattern Counting under Local Differential Privacy 2026 SIGMOD 5.093636e-05
10,221 Differentially Oblivious Multi-way Join 2026 SIGMOD 5.093636e-05
10,282 Prism: Private Relational Data Synthesis with Language Models 2026 SIGMOD 5.093636e-05
10,313 Differentially Private Explanations for Clusters 2026 SIGMOD 5.093636e-05
10,335 A General Framework for Per-record Differential Privacy 2026 SIGMOD 5.093636e-05
10,385 N2E: A General Framework to Reduce Node-Differential Privacy to Edge-Differential Privacy for Graph Analytics 2026 SIGMOD 5.093636e-05
10,392 PrivAGS: Differentially Private Attributed Graph Synthesis 2026 SIGMOD 5.093636e-05
10,642 Differentially Private Substring and Document Counting 2025 PODS 5.093636e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 10 of 10 cited papers.

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