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zero-shot_datasets

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Zero-Shot Cross-Database Benchmark Datasets

This repository contains datasets used for zero-shot cardinality estimation and query optimization research.

Dataset Description

This collection includes multiple relational database datasets with their schemas, data files (CSV format), and statistics:

Included Datasets

  • accidents: Traffic accident data
  • airline: Flight and airline information
  • baseball: Baseball statistics
  • basketball: Basketball statistics
  • carcinogenesis: Chemical compound data
  • consumer: Consumer expenditure data
  • credit: Credit card transactions
  • employee: Employee database
  • financial: Financial transactions
  • geneea: Gene expression data
  • genome: Genomic data
  • hepatitis: Medical data
  • imdb: Internet Movie Database
  • movielens: Movie ratings
  • seznam: Czech web portal data
  • ssb: Star Schema Benchmark
  • tpc_h: TPC-H benchmark
  • tournament: Tournament data
  • walmart: Retail data

File Structure

Each dataset directory contains:

  • CSV data files
  • schema.json: Database schema definition
  • schema_sql/: SQL schema files for different database systems
  • column_statistics.json: Statistical information about columns
  • string_statistics.json: Statistics for string columns

Usage

These datasets are designed for research in:

  • Cardinality estimation
  • Query optimization
  • Zero-shot learning for database systems
  • Cross-database performance evaluation
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