Alchemy: A Query Optimization Framework for Oblivious SQL
Summary: Alchemy is a query-optimization framework for oblivious SQL that reduces circuit complexity for secure multiparty computation by exploiting schema metadata and query structure. It combines rewrites, cardinality bounds, bushy plans and a fine-grained cost model (with sort reuse) to yield up to 100× TPC-H speedups and generalizes to other secure computation settings. (summarized by gpt-5-mini on Feb 09 2026)
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Authors
- 1. Donghyun Sohn
- 2. Kelly Jiang
- 3. Nicolas Hammer
- 4. Jennie Rogers
Incoming Citations (Sorted by Pagerank)
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Outgoing Citations (Sorted by Pagerank)
Showing 10 of 10 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 83 | Privacy Integrated Queries: An Extensible Platform for Privacy-Preserving Data Analysis | 2009 | SIGMOD | 0.00053933811 |
| 88 | Common Expression Analysis in Database Applications | 1982 | SIGMOD | 0.00052316625 |
| 1,307 | SMCQL: Secure Querying for Federated Databases | 2017 | VLDB | 0.0001266709 |
| 1,738 | PrivateSQL: A Differentially Private SQL Query Engine | 2019 | VLDB | 0.00010720057 |
| 2,670 | Efficient Oblivious Database Joins | 2020 | VLDB | 8.3379158e-05 |
| 2,916 | Quantifying TPC-H Choke Points and Their Optimizations | 2020 | VLDB | 7.9068048e-05 |
| 3,024 | Secure Yannakakis: Join-Aggregate Queries over Private Data | 2021 | SIGMOD | 7.692511e-05 |
| 3,154 | The MemSQL Query Optimizer: A modern optimizer for real-time analytics in a distributed database | 2016 | VLDB | 7.4686089e-05 |
| 6,257 | ZKSQL: Verifiable and Efficient Query Evaluation with Zero-Knowledge Proofs | 2023 | VLDB | 5.1366858e-05 |
| 11,296 | RESCU-SQL: Oblivious Querying for the Zero Trust Cloud | 2023 | VLDB | 4.1945683e-05 |
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