Datasets:
File size: 1,738 Bytes
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license: apache-2.0
language:
- en
task_categories:
- text-generation
tags:
- sql
- postgresql
- sql-optimization
- benchmark
pretty_name: Effi-SQL
---
# Effi-SQL
## Update 2026-06-12
We release **Effi-SQL**, a dataset suite for SQL efficiency optimization.
This collection includes:
- **Effi-SQL Benchmark**: a benchmark for evaluating SQL efficiency optimization methods.
- **Diff-SQL Training Dataset**: training data used by Diff-SQL, including data for the Patch Generator and Constraint Aligner.
## Dataset Fields
### Effi-SQL Benchmark
- **id**: A unique identifier for each benchmark instance.
- **db**: The database name.
- **base_sql**: The original slow SQL query.
- **optimized_sql**: The human-verified optimized SQL query.
- **base_time**: Execution time of the original SQL query.
- **fast_time**: Execution time of the optimized SQL query.
- **base_explain_analyze**: Query execution plan (QEP) output for the original SQL query.
- **optimized_explain_analyze**: Query execution plan (QEP) output for the optimized SQL query.
- **difficulty**: The difficulty label of the benchmark instance.
### Diff-SQL Training Dataset
- **instance_id**: A unique identifier for each training instance.
- **prompt**: The model input prompt, including the slow SQL query, relevant database information, and the query execution plan of the slow SQL query.
- **response**: The target response, including optimization or refinement reasoning and the target patch.
- **db**: The database name of the slow SQL query.
- **base_sql**: The original slow SQL query.
- **optimized_sql**: The optimized SQL query used as the reference target.
## Related Resources
- **Code**: [L-nshpp/Diff-SQL](https://github.com/L-nshpp/Diff-SQL)
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