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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
0.0002234348
Overall Rank
276 | 98.15%
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
1,166 PrivateSQL: A Differentially Private SQL Query Engine 2019 VLDB 0.00011731286
1,832 APOLLO: Automatic Detection and Diagnosis of Performance Regressions in Database Systems 2020 VLDB 9.5430971e-05
2,017 Shrinkwrap: Efficient SQL Query Processing in Differentially Private Data Federations 2019 VLDB 9.1758131e-05
2,090 Optimizing error of high-dimensional statistical queries under differential privacy 2018 VLDB 9.0657103e-05
2,336 Answering Multi-Dimensional Analytical Queries under Local Differential Privacy 2019 SIGMOD 8.6206562e-05
2,455 Towards Practical Oblivious Join 2022 SIGMOD 8.4390594e-05
2,488 Computing Local Sensitivities of Counting Queries with Joins 2020 SIGMOD 8.3973087e-05
2,582 Secure Yannakakis: Join-Aggregate Queries over Private Data 2021 SIGMOD 8.2594787e-05
3,234 LDP-IDS: Local Differential Privacy for Infinite Data Streams 2022 SIGMOD 7.5031195e-05
3,292 Kamino: Constraint-Aware Differentially Private Data Synthesis 2021 VLDB 7.4491643e-05
3,900 Adore: Differentially Oblivious Relational Database Operators 2023 VLDB 6.9344494e-05
4,496 R2T: Instance-optimal Truncation for Differentially Private Query Evaluation with Foreign Keys 2022 SIGMOD 6.5764614e-05
4,944 PrivLava: Synthesizing Relational Data with Foreign Keys under Differential Privacy 2023 SIGMOD 6.3439252e-05
5,052 IncShrink: Architecting Efficient Outsourced Databases using Incremental MPC and Differential Privacy 2022 SIGMOD 6.2958492e-05
5,726 Privacy Amplification via Shuffling: Unified, Simplified, and Tightened 2024 VLDB 6.0167127e-05
5,883 LDPTrace: Locally Differentially Private Trajectory Synthesis 2023 VLDB 5.9587932e-05
6,229 The Fast and the Private: Task-based Dataset Search 2024 CIDR 5.8444773e-05
6,505 DProvDB: Differentially Private Query Processing with Multi-Analyst Provenance 2023 SIGMOD 5.760947e-05
6,661 Better than Composition: How to Answer Multiple Relational Queries under Differential Privacy 2023 SIGMOD 5.717454e-05
6,803 Residual Sensitivity for Differentially Private Multi-Way Joins 2021 SIGMOD 5.6783493e-05
7,091 PoneglyphDB: Efficient Non-interactive Zero-Knowledge Proofs for Arbitrary SQL-Query Verification 2025 SIGMOD 5.601767e-05
7,439 A Nearly Instance-optimal Differentially Private Mechanism for Conjunctive Queries 2022 PODS 5.5267455e-05
7,483 DPGraph: A Benchmark Platform for Differentially Private Graph Analysis 2021 SIGMOD 5.5128501e-05
8,008 Differentially Private Data Release over Multiple Tables 2023 PODS 5.4075828e-05
8,078 Differentially Private Data Generation with Missing Data 2024 VLDB 5.3942942e-05
8,081 Saibot: A Differentially Private Data Search Platform 2023 VLDB 5.3942942e-05
8,166 Fast and Reliable Missing Data Contingency Analysis with Predicate-Constraints 2020 SIGMOD 5.3849926e-05
8,209 Contributions Estimation in Federated Learning: A Comprehensive Experimental Evaluation 2024 VLDB 5.377437e-05
8,334 Continual Observation of Joins under Differential Privacy 2024 SIGMOD 5.3527996e-05
8,366 Local Dampening: Differential Privacy for Non-numeric Queries via Local Sensitivity 2021 VLDB 5.3461308e-05
8,418 Femur: A Flexible Framework for Fast and Secure Querying from Public Key-Value Store 2025 SIGMOD 5.3350162e-05
8,478 DP-Sync: Hiding Update Patterns in Secure Outsourced Databases with Differential Privacy 2021 SIGMOD 5.3332727e-05
8,881 DPXPlain: Privately Explaining Aggregate Query Answers 2023 VLDB 5.2567693e-05
8,985 Cache Me If You Can: Accuracy-Aware Inference Engine for Differentially Private Data Exploration 2023 VLDB 5.2430119e-05
9,345 DP-starJ: A Differential Private Scheme towards Analytical Star-Join Queries 2023 SIGMOD 5.1901916e-05
9,421 DPSAaS: Multi-Dimensional Data Sharing and Analytics as Services under Local Differential Privacy 2019 VLDB 5.1799055e-05
9,745 Free Gap Information from the Differentially Private Sparse Vector and Noisy Max Mechanisms 2020 VLDB 5.1349531e-05
9,778 Answering Private Linear Queries Adaptively using the Common Mechanism 2023 VLDB 5.1309523e-05
9,888 HDPView: Differentially Private Materialized View for Exploring High Dimensional Relational Data 2022 VLDB 5.1159324e-05
9,966 Secure Sampling for Approximate Multi-party Query Processing 2023 SIGMOD 5.1038322e-05
10,017 PCOR: Private Contextual Outlier Release via Differentially Private Search 2021 SIGMOD 5.0956141e-05
10,026 Sypse: Privacy-first Data Management through Pseudonymization and Partitioning 2021 CIDR 5.0934585e-05
10,404 Acyclic Graph Pattern Counting under Local Differential Privacy 2026 SIGMOD 4.9793485e-05
10,437 Differentially Oblivious Multi-way Join 2026 SIGMOD 4.9793485e-05
10,494 Prism: Private Relational Data Synthesis with Language Models 2026 SIGMOD 4.9793485e-05
10,523 Differentially Private Explanations for Clusters 2026 SIGMOD 4.9793485e-05
10,539 A General Framework for Per-record Differential Privacy 2026 SIGMOD 4.9793485e-05
10,581 N2E: A General Framework to Reduce Node-Differential Privacy to Edge-Differential Privacy for Graph Analytics 2026 SIGMOD 4.9793485e-05
10,588 PrivAGS: Differentially Private Attributed Graph Synthesis 2026 SIGMOD 4.9793485e-05
10,825 Composition for Pufferfish Privacy 2026 VLDB 4.9793485e-05
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Outgoing Citations (Sorted by Pagerank)

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