<invoke name="tool_call"> <parameter name="reasoning">Full-row duplicates are known; check near-duplicates via the inferred natural keys (Name, Date, Tournament, Rd) on the three fact tables, plus players_tournament_man_ key.</parameter> <parameter name="tool">query_sql</parameter> <parameter name="args">{"sql":"SELECT 'raw_kaggle' AS tbl, COUNT(*) AS total_rows, COUNT(*) - COUNT(DISTINCT (Name, Date, Tournament, Rd)) AS extra_rows_on_key FROM raw.raw_kaggle UNION ALL SELECT 'return_kaggle', COUNT(*), COUNT(*) - COUNT(DISTINCT (Name, Date, Tournament, Rd)) FROM raw.return_kaggle UNION ALL SELECT 'serve_kaggle', COUNT(*), COUNT(*) - COUNT(DISTINCT (Name, Date, Tournment, Rd)) FROM raw.serve_kaggle UNION ALL SELECT 'players_tournament_man_', COUNT(*), COUNT(*) - COUNT(DISTINCT (name, year, tournament)) FROM raw.players_tournament_man_","purpose":"Count rows that repeat on the natural match key (near-duplicates) per table","source":"raw"}</parameter> </invoke>