{"url":"/dataset/ctu-relational","name":"CTU Relational","full_name":"The CTU Prague Relational Learning Repository","description_markdown":"The CTU Relational Learning Repository offers relational database datasets to the machine learning community. It currently hosts 148 SQL databases on a public MySQL server. A searchable meta-database provides key metadata, such as the number of tables, rows, columns, and self-relationships within each database.","description_withheld":null,"homepage":"https://relational.fel.cvut.cz/","introduced_date":"2015-11-10","introduced_date_note":null,"introduced_by":{"paper":"/paper/the-ctu-prague-relational-learning-repository","title":"The CTU Prague Relational Learning Repository","first_author":"Jan Motl","url":null},"license":null,"modalities":[{"name":"Graphs","url":"/datasets/modality/graphs"},{"name":"Tabular","url":"/datasets/modality/tabular"}],"tasks":[],"languages":[],"variants":["CTU Relational"],"data_loaders":[],"num_papers_in_archive":3,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[],"papers_with_a_benchmark_row":[],"syntology_totals":{"read_at":"2026-09-24T18:15:14+00:00","papers_with_samples":0,"samples_harvested":0,"samples_ran":0,"samples_unverified":0,"pointer_only_for_licence":0,"papers_with_no_sample_that_ran":0,"note":"the per-paper counts above, summed; not a rate"},"papers_note":"The archive never published its papers-using-dataset list; these are papers with a leaderboard row on this dataset's benchmarks."}