task_categories:text-classification task_categories:text-generation task_categories:tabular-classification task_categories:tabular-regression language:en license:cc0-1.0 size_categories:1K<n<10K format:parquet format:optimized-parquet modality:tabular modality:text library:datasets library:pandas library:polars library:mlcroissant region:us database sql query-optimization performance nosql mongodb redis cassandra elasticsearch mysql postgresql oracle sql-server