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Neo: A Learned Query Optimizer

Summary: Neo (Neural Optimizer) uses deep neural networks to generate query execution plans, offering a learning-based alternative to hand-tuned optimizers. Bootstrapped from traditional optimizers, it learns from live queries, adapts to data patterns, is robust to estimation errors, and can match or surpass state-of-the-art engines. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
hb5f47951a0efd824
Venue
VLDB
Year
2019
Pagerank
0.00029114937
Overall Rank
142 | 99.05%
DOI
10.14778/3342263.3342644
PDF
Download (CC BY-NC-ND 4.0)

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@article{marcus_vldb19,
        title = {{Neo: A Learned Query Optimizer}},
        author = {Marcus, Ryan and Negi, Parimarjan and Mao, Hongzi and Zhang, Chi and Alizadeh, Mohammad and Kraska, Tim and Papaemmanouil, Olga and Tatbul, Nesime},
        journal = {PVLDB},
        series = {{VLDB} '19},
        volume = {12},
        number = {11},
        pages = {1705--1718},
        doi = {10.14778/3342263.3342644},
        url = {https://doi.org/10.14778/3342263.3342644},
        year = {2019}
}

Incoming Citations (Sorted by Pagerank)

Showing 30 of 180 citing papers.

Rank Citing Paper Year Venue Pagerank
10,490 Are Learned DBMS Components Robust to Workload Drift?: [Experiments & Analysis] 2026 SIGMOD 4.9605343e-05
10,561 NeurBench: A Benchmark Suite for Learned Database Components with Drift Modeling: [Experiments & Analysis] 2026 SIGMOD 4.9605343e-05
10,566 On Self-Designing Learned Indexes 2026 SIGMOD 4.9605343e-05
10,649 High Performance or Low Memory? An Updatable Learned Index Framework for Time-Space Tradeoff 2026 SIGMOD 4.9605343e-05
10,668 SEFRQO: A Self-Evolving Fine-Tuned RAG-Based Query Optimizer 2026 SIGMOD 4.9605343e-05
10,676 Understanding and Detecting Query Performance Regression in Practical Index Tuning: [Experiments & Analysis] 2026 SIGMOD 4.9605343e-05
10,705 Divo: Learning a Stable and Effective Query Optimizer with a Diverse Workload 2026 SIGMOD 4.9605343e-05
10,722 IDAP++: Advancing Divergence-Aware Pruning with Joint Filter and Layer Optimization 2026 SIGMOD 4.9605343e-05
10,747 R2O: A Dual-Layer Framework for Joint Rewriting and Ordering in Distributed Property Graph Query Optimization 2026 SIGMOD 4.9605343e-05
10,751 Reqo: A Comprehensive Learning-Based Cost Model for Robust and Explainable Query Optimization 2026 SIGMOD 4.9605343e-05
10,764 Practical Parameterized Query Optimization via Efficient Plan Reuse and List-wise Ranking 2026 SIGMOD 4.9605343e-05
10,769 LIO: A lightweight and interpretable query optimizer based on an evolutionary forest 2026 VLDB 4.9605343e-05
10,784 Robust Predicate Transfer with Dynamic Execution 2026 VLDB 4.9605343e-05
10,806 AQD: Online Adaptive Query Dispatcher for HTAP Databases 2026 VLDB 4.9605343e-05
10,812 OBELISK: Efficient Offline Query Planning with Bayesian Optimization-Informed Language Model Reasoning 2026 VLDB 4.9605343e-05
10,822 Toward Drift-Aware Database Benchmarking 2026 VLDB 4.9605343e-05
10,873 BaCon: Efficient Batch Processing of Counting Queries 2026 VLDB 4.9605343e-05
10,953 QDBO: A Real-time Quantum-augmented Database System Optimizer 2026 VLDB 4.9605343e-05
10,994 TATA: An Efficient Framework for Task Transfer in Query Plan Representation 2026 VLDB 4.9605343e-05
11,008 Towards Industrial-Scale Parametric Query Optimization 2026 VLDB 4.9605343e-05
11,025 How Out-of-Bounds Are Your Cardinality Estimates? 2026 VLDB 4.9605343e-05
11,181 MAST: Towards Efficient Analytical Query Processing on Point Cloud Data 2025 SIGMOD 4.9605343e-05
11,243 AJOSC: Adaptive Join Order Selection for Continuous Queries 2025 SIGMOD 4.9605343e-05
11,288 Esc: An Early-Stopping Checker for Budget-aware Index Tuning 2025 VLDB 4.9605343e-05
11,302 PlanRGCN: Predicting SPARQL Query Performance 2025 VLDB 4.9605343e-05
11,347 Robust Plan Evaluation based on Approximate Probabilistic Machine Learning 2025 VLDB 4.9605343e-05
11,484 Learned Cost Models for Query Optimization: From Batch to Streaming Systems 2025 VLDB 4.9605343e-05
11,501 LEAP: A Low-cost Spark SQL Query Optimizer using Pairwise Comparison 2025 VLDB 4.9605343e-05
11,511 RankPQO: Learning-to-Rank for Parametric Query Optimization 2025 VLDB 4.9605343e-05
11,556 Proactive Resume and Pause of Resources for Microsoft Azure SQL Database Serverless 2024 SIGMOD 4.9605343e-05
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Outgoing Citations (Sorted by Pagerank)

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