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Plan Stitch: Harnessing the Best of Many Plans

Summary: Plan Stitch opportunistically stitches efficient subplans from past plans into a valid new plan cheaper than any single prior plan. Implemented on SQL Server; evaluated with TPC-DS and real workloads, achieving up to 100x cost reductions versus reverting to the cheapest previous plan. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
11607
Venue
VLDB
Year
2018
Pagerank
4.6493147e-05
Overall Rank
7,776 | 45.96%
DOI
10.14778/3231751.3231761

Incoming Non-self Citations Over Time

Authors

Incoming Citations (Sorted by Pagerank)

Showing 8 of 8 citing papers.

Rank Citing Paper Year Venue Pagerank
1,856 AI Meets AI: Leveraging Query Executions to Improve Index Recommendations 2019 SIGMOD 0.00010319105
2,050 Automatically Indexing Millions of Databases in Microsoft Azure SQL Database 2019 SIGMOD 9.6883066e-05
3,144 Active Learning for ML Enhanced Database Systems 2020 SIGMOD 7.4844943e-05
5,645 Database Workload Characterization with Query Plan Encoders 2022 VLDB 5.3928148e-05
9,358 Db2une: Tuning Under Pressure via Deep Learning 2024 VLDB 4.3480651e-05
9,929 Rethink Query Optimization in HTAP Databases 2023 SIGMOD 4.2470891e-05
10,125 Understanding and Detecting Query Performance Regression in Practical Index Tuning: [Experiments & Analysis] 2026 SIGMOD 4.1905499e-05
10,552 Esc: An Early-Stopping Checker for Budget-aware Index Tuning 2025 VLDB 4.1905499e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 22 of 22 cited papers.

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

Rank Cited Paper Year Venue Pagerank
1 Access Path Selection in a Relational Database Management System 1979 SIGMOD 0.0040465394
71 How Good Are Query Optimizers, Really? 2016 VLDB 0.00059446482
179 Efficient and Extensible Algorithms for Multi Query Optimization 2000 SIGMOD 0.00037637319
181 LEO - DB2's LEarning Optimizer 2001 VLDB 0.00036970794
250 Adaptive Selectivity Estimation Using Query Feedback 1994 SIGMOD 0.00030640525
512 STHoles: A Multidimensional Workload-Aware Histogram 2001 SIGMOD 0.00021385343
527 Self-tuning Histograms: Building Histograms Without Looking at Data 1999 SIGMOD 0.00020862475
680 Towards a Robust Query Optimizer: A Principled and Practical Approach 2005 SIGMOD 0.00018193263
728 Optimizing Queries Using Materialized Views: A Practical, Scalable Solution 2001 SIGMOD 0.00017459654
786 Exploiting Statistics on Query Expressions for Optimization 2002 SIGMOD 0.00016624743
1,017 Robust Estimation of Resource Consumption for SQL Queries using Statistical Techniques 2012 VLDB 0.00014627121
1,018 Automatic Physical Database Tuning: A Relaxation-based Approach 2005 SIGMOD 0.00014626746
1,725 Design and Analysis of Parametric Query Optimization Algorithms 1998 VLDB 0.0001073575
1,756 Sampling-Based Query Re-Optimization 2016 SIGMOD 0.00010659753
1,961 Plan Selection based on Query Clustering 2002 VLDB 9.9464221e-05
1,990 AniPQO: Almost Non-intrusive Parametric Query Optimization for Nonlinear Cost Functions 2003 VLDB 9.8491124e-05
2,479 Efficient Use of the Query Optimizer for Automated Physical Design 2007 VLDB 8.6836615e-05
2,788 To Tune or not to Tune? A Lightweight Physical Design Alerter 2006 VLDB 8.121027e-05
3,013 Cardinality Estimation Using Sample Views with Quality Assurance 2007 SIGMOD 7.7082045e-05
4,434 Xplus: A SQL-Tuning-Aware Query Optimizer 2010 VLDB 6.1851729e-05
5,676 A Pay-As-You-Go Framework for Query Execution Feedback 2008 VLDB 5.3768269e-05
6,471 Leveraging Re-costing for Online Optimization of Parameterized Queries with Guarantees 2017 SIGMOD 5.0438582e-05
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Overall Rank Paper Year Venue Pagerank
8,638 A Concave Path to Low-overhead Robust Query Processing 2018 VLDB 4.4750742e-05
4,342 Identifying Robust Plans through Plan Diagram Reduction 2008 VLDB 6.2680535e-05
221 Efficient Mid-Query Re-Optimization of Sub-Optimal Query Execution Plans 1998 SIGMOD 0.00033182072
6,561 On the Stability of Plan Costs and the Costs of Plan Stability 2010 VLDB 5.0055336e-05
9,662 Efficient Query Re-optimization with Judicious Subquery Selections 2023 SIGMOD 4.3056334e-05
1,475 Efficient Exploitation of Similar Subexpressions for Query Processing 2007 SIGMOD 0.00011765071
1,064 Analyzing Plan Diagrams of Database Query Optimizers 2005 VLDB 0.00014348262
6,471 Leveraging Re-costing for Online Optimization of Parameterized Queries with Guarantees 2017 SIGMOD 5.0438582e-05
13,742 PLASTIC: Reducing Query Optimization Overheads through Plan Recycling 2003 SIGMOD -
1,961 Plan Selection based on Query Clustering 2002 VLDB 9.9464221e-05