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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
0.0002908188
Overall Rank
145 | 99.03%
DOI
10.14778/3342263.3342644

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 50 of 179 citing papers.

Rank Citing Paper Year Venue Pagerank
7,385 Towards Foundation Database Models 2025 CIDR 5.5385053e-05
7,410 POLAR: Adaptive and Non-invasive Join Order Selection via Plans of Least Resistance 2024 VLDB 5.5342768e-05
7,460 T3: Accurate and Fast Performance Prediction for Relational Database Systems With Compiled Decision Trees 2025 SIGMOD 5.5215755e-05
7,598 SageDB: An Instance-Optimized Data Analytics System 2022 VLDB 5.4871733e-05
7,806 Machine Learning for Cloud Data Systems: the Progress so far and the Path Forward 2021 VLDB 5.4500623e-05
7,822 Bespoke OLAP: Synthesizing Workload-Specific One-size-fits-one Database Engines 2026 VLDB 5.4461624e-05
7,864 Blueprinting the Cloud: Unifying and Automatically Optimizing Cloud Data Infrastructures with BRAD 2024 VLDB 5.4367919e-05
7,931 SlabCity: Whole-Query Optimization using Program Synthesis 2023 VLDB 5.4238328e-05
7,977 The Holon Approach for Simultaneously Tuning Multiple Components in a Self-Driving Database Management System with Machine Learning via Synthesized Proto-Actions 2024 VLDB 5.4142519e-05
8,039 Efficiently Computing Join Orders with Heuristic Search 2023 SIGMOD 5.4017809e-05
8,131 Thrifty Query Execution via Incrementability 2020 SIGMOD 5.3936608e-05
8,164 Efficient Query Re-optimization with Judicious Subquery Selections 2023 SIGMOD 5.3852872e-05
8,258 The Case for NLP-Enhanced Database Tuning: Towards Tuning Tools that “Read the Manual” 2021 VLDB 5.3671363e-05
8,332 Learned Offline Query Planning via Bayesian Optimization 2025 SIGMOD 5.3528188e-05
8,345 MONSOON: Multi-Step Optimization and Execution of Queries with Partially Obscured Predicates 2020 SIGMOD 5.3511996e-05
8,352 Towards Building Autonomous Data Services on Azure 2023 SIGMOD 5.3488341e-05
8,385 NeurDB: On the Design and Implementation of an AI-powered Autonomous Database 2025 CIDR 5.3420959e-05
8,403 The Case for Learned In-Memory Joins 2023 VLDB 5.3389852e-05
8,524 ROME: Robust Query Optimization via Parallel Multi-Plan Execution 2024 SIGMOD 5.3231221e-05
8,563 Robust and Budget-Constrained Encoding Configurations for In-Memory Database Systems 2022 VLDB 5.3138647e-05
8,872 Tiresias: Enabling Predictive Autonomous Storage and Indexing 2022 VLDB 5.2584643e-05
8,947 Machine Unlearning in Learned Databases: An Experimental Analysis 2024 SIGMOD 5.2532248e-05
8,962 GEqO: ML-Accelerated Semantic Equivalence Detection 2023 SIGMOD 5.2493925e-05
9,113 Presto’s History-based Query Optimizer 2024 VLDB 5.2276066e-05
9,115 Check Out the Big Brain on BRAD: Simplifying Cloud Data Processing with Learned Automated Data Meshes 2023 VLDB 5.2271833e-05
9,133 Hit the Gym: Accelerating Query Execution to Efficiently Bootstrap Behavior Models for Self-Driving Database Management Systems 2024 VLDB 5.2229655e-05
9,161 Making Data Clouds Smarter at Keebo: Automated Warehouse Optimization using Data Learning 2023 SIGMOD 5.2154395e-05
9,276 BASE: Bridging the Gap between Cost and Latency for Query Optimization 2023 VLDB 5.204289e-05
9,300 GenJoin: Conditional Generative Plan-to-Plan Query Optimizer that Learns from Subplan Hints 2026 SIGMOD 5.1987909e-05
9,350 Automatic SQL Error Mitigation in Oracle 2023 VLDB 5.1891342e-05
9,358 Phoebe: A Learning-based Checkpoint Optimizer 2021 VLDB 5.1869771e-05
9,458 HyperBlocker: Accelerating Rule-based Blocking in Entity Resolution using GPUs 2025 VLDB 5.173446e-05
9,546 Athena: An Effective Learning-based Framework for Query Optimizer Performance Improvement 2025 SIGMOD 5.1604755e-05
9,610 LIMAO: A Framework for Lifelong Modular Learned Query Optimization 2025 VLDB 5.1526493e-05
9,646 Are Joins over LSM-trees Ready? Take RocksDB as an Example 2025 VLDB 5.1453267e-05
9,670 Low Rank Learning for Offline Query Optimization 2025 SIGMOD 5.1452097e-05
9,790 Wii: Dynamic Budget Reallocation In Index Tuning 2024 SIGMOD 5.1260323e-05
9,954 Conformal Prediction for Verifiable Learned Query Optimization 2025 VLDB 5.1038322e-05
9,956 Graph Transformers for Query Plan Representation: Potentials and Challenges 2025 VLDB 5.1038322e-05
10,043 The Image Calculator: 10x Faster Image-AI Inference by Replacing JPEG with Self-designing Storage Format 2024 SIGMOD 5.0921006e-05
10,103 Still Asking: How Good Are Query Optimizers, Really? 2025 VLDB 5.0789354e-05
10,140 How to Optimize SQL Queries? A Comparison Between Split, Holistic, and Hybrid Approaches 2025 VLDB 5.0742707e-05
10,148 Improving DBMS Scheduling Decisions with Accurate Performance Prediction on Concurrent Queries 2025 VLDB 5.0715586e-05
10,168 PLATON: Top-down R-tree Packing with Learned Partition Policy 2023 SIGMOD 5.0682654e-05
10,205 Turbo-Charging SPJ Query Plans with Learned Physical Join Operator Selections 2022 VLDB 5.0603873e-05
10,217 DBMS Fitting: Why should we learn what we already know? 2020 CIDR 5.0582281e-05
10,287 AdaChain: A Learned Adaptive Blockchain 2023 VLDB 5.0448662e-05
10,310 veDB-HTAP: a Highly Integrated, Efficient and Adaptive HTAP System 2025 VLDB 5.0386264e-05
10,336 An Elephant Under The Microscope: Analyzing The Interaction Of Optimizer Components In PostgreSQL 2025 SIGMOD 5.0200193e-05
10,412 Are Learned DBMS Components Robust to Workload Drift?: [Experiments & Analysis] 2026 SIGMOD 4.9793485e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 14 of 14 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

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