{
    "table_name": "players_man_",
    "primary_key": "name",
    "candidates": [
        {
            "rank": 0,
            "partition_key": "name",
            "partition_key_label": "primary_identifier",
            "partition_key_reasoning": "name has 462 unique values across 462 rows (uniqueness 1.0, 0% null), so it uniquely identifies each player. It is the only natural identifier in this dimension table. RPUV of 1.0 would be a poor physical partition key, but for a dimension the primary_identifier label is appropriate and the table is small.",
            "clustering_key": null,
            "clustering_key_label": null,
            "clustering_key_reasoning": "Dimension tables need no internal sorting. number_of_matches and playing_years are descriptive attributes, not ordering axes.",
            "world_line": null,
            "session_column": null,
            "confidence": "HIGH",
            "notes": "Dimension table with one row per male tennis player. name is the primary key, and it is presumably the join key to the serve, return, raw and tournament tables. The ingestion metadata columns (_ingestion_timestamp, _batch_id, _source_file, _source_system) are constant and have no organizing value. With only 462 rows, the partition key could also be left null."
        }
    ]
}