Query Shredding: Efficient Relational Evaluation of Queries over Nested Multisets
Summary: Proposes query shredding to evaluate nested queries by rewriting them into a fixed number of SQL queries with multiset semantics. Unlike prior work, it emits a SQL:1999 query directly from a nested-query normal form and shows competitive performance. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. James Cheney (University of Edinburgh)
- 2. Sam Lindley (University of Edinburgh)
- 3. Philip Wadler (University of Edinburgh)
BibTeX Citation
@inproceedings{cheney_sigmod14,
title = {{Query Shredding: Efficient Relational Evaluation of Queries over Nested Multisets}},
author = {Cheney, James and Lindley, Sam and Wadler, Philip},
series = {{SIGMOD} '14},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/2588555.2612186},
url = {https://dl.acm.org/doi/10.1145/2588555.2612186},
year = {2014}
}Incoming Citations (Sorted by Pagerank)
Showing 8 of 8 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 2,939 | Extracting Equivalent SQL from Imperative Code in Database Applications | 2016 | SIGMOD | 7.9395908e-05 |
| 5,814 | The Flatter, the Better: Query Compilation Based on the Flattening Transformation | 2015 | SIGMOD | 6.0779807e-05 |
| 6,193 | Incremental View Maintenance For Collection Programming | 2016 | PODS | 5.9471978e-05 |
| 6,377 | Scalable Querying of Nested Data | 2021 | VLDB | 5.8931544e-05 |
| 7,386 | Instance-Optimal Acyclic Join Processing Without Regret: Engineering the Yannakakis Algorithm in Column Stores | 2025 | VLDB | 5.6273882e-05 |
| 7,441 | PgCuckoo: Laying Plan Eggs in PostgreSQL's Nest | 2019 | SIGMOD | 5.6173637e-05 |
| 9,512 | Poisson Sampling over Acyclic Joins | 2026 | SIGMOD | 5.2571354e-05 |
| 11,711 | TraNCE: Transforming Nested Collections Efficiently | 2021 | VLDB | 5.093636e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 6 of 6 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 6 | Pig Latin: A Not-So-Foreign Language for Data Processing | 2008 | SIGMOD | 0.0010686205 |
| 292 | LINQ: Reconciling Objects, Relations and XML in the .NET Framework | 2006 | SIGMOD | 0.00022259549 |
| 2,720 | XQuery on SQL Hosts | 2004 | VLDB | 8.2086071e-05 |
| 3,864 | FERRY - Database-Supported Program Execution | 2009 | SIGMOD | 7.0628657e-05 |
| 4,847 | Avalanche-Safe LINQ Compilation | 2010 | VLDB | 6.4805473e-05 |
| 7,654 | Positive Higher-Order Queries | 2010 | PODS | 5.5746273e-05 |
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| # | Overall Rank | Paper | Year | Venue |
|---|---|---|---|---|
| 1 | 4,847 | Avalanche-Safe LINQ Compilation | 2010 | VLDB |
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| 3 | 1,860 | Querying Multiple Features of Groups in Relational Databases | 1996 | VLDB |
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| 5 | 8,971 | Equivalence of Nested Queries with Mixed Semantics | 2009 | PODS |
| 6 | 5,951 | Query Unnesting in Object-Oriented Databases | 1998 | SIGMOD |
| 7 | 129 | Optimization of Nested SQL Queries Revisited | 1987 | SIGMOD |
| 8 | 2,198 | A Recursive Algebra and Query Optimization for Nested Relations | 1989 | SIGMOD |
| 9 | 12,727 | A Nested Relational Approach to Processing SQL Subqueries | 2005 | SIGMOD |
| 10 | 6,377 | Scalable Querying of Nested Data | 2021 | VLDB |